diff --git a/frontend/src/Admin/index.tsx b/frontend/src/Admin/index.tsx
index d9dee21..5fb1b65 100644
--- a/frontend/src/Admin/index.tsx
+++ b/frontend/src/Admin/index.tsx
@@ -82,7 +82,7 @@ const AddUserInput = styled(Input)`
 `;
 
 const InputError = styled.span`
-  color: rgba(${props => props.theme.colors.danger});
+  color: ${props => props.theme.colors.danger};
   font-size: 12px;
 `;
 
diff --git a/frontend/src/App/ThemeStyles.ts b/frontend/src/App/ThemeStyles.ts
index 87a6be9..fa6d15a 100644
--- a/frontend/src/App/ThemeStyles.ts
+++ b/frontend/src/App/ThemeStyles.ts
@@ -1,26 +1,28 @@
 import { DefaultTheme } from 'styled-components';
+import Color from 'color';
 
 const theme: DefaultTheme = {
   borderRadius: {
-    primary: '3px',
+    primary: '3x',
     alternate: '6px',
   },
   colors: {
-    primary: '115, 103, 240',
-    secondary: '216, 93, 216',
-    alternate: '65, 69, 97',
-    success: '40, 199, 111',
-    danger: '234, 84, 85',
-    warning: '255, 159, 67',
-    dark: '30, 30, 30',
+    multiColors: ['#e362e3', '#7a6ff0', '#37c5ab', '#aa62e3', '#e8384f'],
+    primary: 'rgb(115, 103, 240)',
+    secondary: 'rgb(216, 93, 216)',
+    alternate: 'rgb(65, 69, 97)',
+    success: 'rgb(40, 199, 111)',
+    danger: 'rgb(234, 84, 85)',
+    warning: 'rgb(255, 159, 67)',
+    dark: 'rgb(30, 30, 30)',
     text: {
-      primary: '194, 198, 220',
-      secondary: '255, 255, 255',
+      primary: 'rgb(194, 198, 220)',
+      secondary: 'rgb(255, 255, 255)',
     },
-    border: '65, 69, 97',
+    border: 'rgb(65, 69, 97)',
     bg: {
-      primary: '16, 22, 58',
-      secondary: '38, 44, 73',
+      primary: 'rgb(16, 22, 58)',
+      secondary: 'rgb(38, 44, 73)',
     },
   },
 };
diff --git a/frontend/src/App/TopNavbar.tsx b/frontend/src/App/TopNavbar.tsx
index d50e655..2972a71 100644
--- a/frontend/src/App/TopNavbar.tsx
+++ b/frontend/src/App/TopNavbar.tsx
@@ -20,6 +20,7 @@ import MiniProfile from 'shared/components/MiniProfile';
 import cache from 'App/cache';
 import NOOP from 'shared/utils/noop';
 import NotificationPopup, { NotificationItem } from 'shared/components/NotifcationPopup';
+import theme from './ThemeStyles';
 
 const TeamContainer = styled.div`
   display: flex;
@@ -62,7 +63,7 @@ const TeamProjectBackground = styled.div<{ color: string }>`
   opacity: 1;
   border-radius: 3px;
   &:before {
-    background: rgba(${props => props.theme.colors.bg.secondary});
+    background: ${props => props.theme.colors.bg.secondary};
     bottom: 0;
     content: '';
     left: 0;
@@ -114,7 +115,7 @@ const TeamProjectContainer = styled.div`
   margin: 0 4px 4px 0;
   min-width: 0;
   &:hover ${TeamProjectTitle} {
-    color: rgba(${props => props.theme.colors.text.secondary});
+    color: ${props => props.theme.colors.text.secondary};
   }
   &:hover ${TeamProjectAvatar} {
     opacity: 1;
@@ -124,7 +125,7 @@ const TeamProjectContainer = styled.div`
   }
 `;
 
-const colors = ['#e362e3', '#7a6ff0', '#37c5ab', '#aa62e3', '#e8384f'];
+const colors = [theme.colors.primary, theme.colors.secondary];
 
 const ProjectFinder = () => {
   const { loading, data } = useGetProjectsQuery();
@@ -328,7 +329,7 @@ const GlobalTopNavbar: React.FC<GlobalTopNavbarProps> = ({
             />
           ))}
         </NotificationPopup>,
-        { width: 415, borders: false, diamondColor: '#7367f0' },
+        { width: 415, borders: false, diamondColor: theme.colors.primary },
       );
     }
   };
diff --git a/frontend/src/App/index.tsx b/frontend/src/App/index.tsx
index 36649f3..2e437c8 100644
--- a/frontend/src/App/index.tsx
+++ b/frontend/src/App/index.tsx
@@ -28,13 +28,13 @@ const StyledContainer = styled(ToastContainer).attrs({
     color: #fff;
   }
   .Toastify__toast--error {
-    background: rgba(${props => props.theme.colors.danger});
+    background: ${props => props.theme.colors.danger};
   }
   .Toastify__toast--warning {
-    background: rgba(${props => props.theme.colors.warning});
+    background: ${props => props.theme.colors.warning};
   }
   .Toastify__toast--success {
-    background: rgba(${props => props.theme.colors.success});
+    background: ${props => props.theme.colors.success};
   }
   .Toastify__toast-body {
   }
diff --git a/frontend/src/Projects/Project/Board/FilterMeta.tsx b/frontend/src/Projects/Project/Board/FilterMeta.tsx
index c443d7c..a6f41db 100644
--- a/frontend/src/Projects/Project/Board/FilterMeta.tsx
+++ b/frontend/src/Projects/Project/Board/FilterMeta.tsx
@@ -12,7 +12,7 @@ const FilterMember = styled(Member)`
   margin: 2px 0;
   &:hover {
     cursor: pointer;
-    background: rgba(${props => props.theme.colors.primary});
+    background: ${props => props.theme.colors.primary};
   }
 `;
 
@@ -71,7 +71,7 @@ export const ActionItem = styled.li`
   align-items: center;
   font-size: 14px;
   &:hover {
-    background: rgb(115, 103, 240);
+    background: ${props => props.theme.colors.primary};
   }
 `;
 
@@ -80,7 +80,7 @@ export const ActionTitle = styled.span`
 `;
 
 const ActionItemSeparator = styled.li`
-  color: rgba(${props => props.theme.colors.text.primary}, 0.4);
+  color: ${props => mixin.rgba(props.theme.colors.text.primary, 0.4)};
   font-size: 12px;
   padding-left: 4px;
   padding-right: 4px;
diff --git a/frontend/src/Projects/Project/Board/FilterStatus.tsx b/frontend/src/Projects/Project/Board/FilterStatus.tsx
index 4fd7b0f..44a56c6 100644
--- a/frontend/src/Projects/Project/Board/FilterStatus.tsx
+++ b/frontend/src/Projects/Project/Board/FilterStatus.tsx
@@ -30,7 +30,7 @@ export const ActionItem = styled.li`
   align-items: center;
   font-size: 14px;
   &:hover {
-    background: rgb(115, 103, 240);
+    background: ${props => props.theme.colors.primary};
   }
   &:hover ${ActionExtraMenuContainer} {
     visibility: visible;
@@ -69,11 +69,11 @@ export const ActionExtraMenuItem = styled.li`
   align-items: center;
   font-size: 14px;
   &:hover {
-    background: rgb(115, 103, 240);
+    background: rgb(${props => props.theme.colors.primary});
   }
 `;
 const ActionExtraMenuSeparator = styled.li`
-  color: rgba(${props => props.theme.colors.text.primary}, 0.4);
+  color: ${props => props.theme.colors.text.primary};
   font-size: 12px;
   padding-left: 4px;
   padding-right: 4px;
diff --git a/frontend/src/Projects/Project/Board/SortPopup.tsx b/frontend/src/Projects/Project/Board/SortPopup.tsx
index 7db483b..8416106 100644
--- a/frontend/src/Projects/Project/Board/SortPopup.tsx
+++ b/frontend/src/Projects/Project/Board/SortPopup.tsx
@@ -1,6 +1,7 @@
 import React, { useState } from 'react';
 import styled from 'styled-components';
 import { TaskSorting, TaskSortingType, TaskSortingDirection } from 'shared/utils/sorting';
+import { mixin } from 'shared/utils/styles';
 
 export const ActionsList = styled.ul`
   margin: 0;
@@ -20,7 +21,7 @@ export const ActionItem = styled.li`
   align-items: center;
   font-size: 14px;
   &:hover {
-    background: rgb(115, 103, 240);
+    background: ${props => props.theme.colors.primary};
   }
 `;
 
@@ -29,7 +30,7 @@ export const ActionTitle = styled.span`
 `;
 
 const ActionItemSeparator = styled.li`
-  color: rgba(${props => props.theme.colors.text.primary}, 0.4);
+  color: ${props => mixin.rgba(props.theme.colors.text.primary, 0.4)};
   font-size: 12px;
   padding-left: 4px;
   padding-right: 4px;
diff --git a/frontend/src/Projects/Project/Board/index.tsx b/frontend/src/Projects/Project/Board/index.tsx
index 1e8ba8c..d2a1d5c 100644
--- a/frontend/src/Projects/Project/Board/index.tsx
+++ b/frontend/src/Projects/Project/Board/index.tsx
@@ -136,14 +136,14 @@ const ProjectActionWrapper = styled.div<{ disabled?: boolean }>`
   display: flex;
   align-items: center;
   font-size: 15px;
-  color: rgba(${props => props.theme.colors.text.primary});
+  color: ${props => props.theme.colors.text.primary};
 
   &:not(:last-of-type) {
     margin-right: 16px;
   }
 
   &:hover {
-    color: rgba(${props => props.theme.colors.text.secondary});
+    color: ${props => props.theme.colors.text.secondary};
   }
   ${props =>
     props.disabled &&
diff --git a/frontend/src/Projects/Project/index.tsx b/frontend/src/Projects/Project/index.tsx
index cbf7a8d..5364a97 100644
--- a/frontend/src/Projects/Project/index.tsx
+++ b/frontend/src/Projects/Project/index.tsx
@@ -48,6 +48,7 @@ import { colourStyles } from 'shared/components/Select';
 import Board, { BoardLoading } from './Board';
 import Details from './Details';
 import LabelManagerEditor from './LabelManagerEditor';
+import { mixin } from '../../shared/utils/styles';
 
 const CARD_LABEL_VARIANT_STORAGE_KEY = 'card_label_variant';
 
@@ -71,7 +72,7 @@ const UserMember = styled(Member)`
   padding: 4px 0;
   cursor: pointer;
   &:hover {
-    background: rgba(${props => props.theme.colors.bg.primary}, 0.4);
+    background: ${props => mixin.rgba(props.theme.colors.bg.primary, 0.4)};
   }
   border-radius: 6px;
 `;
diff --git a/frontend/src/Projects/index.tsx b/frontend/src/Projects/index.tsx
index 19ecc48..5591fa3 100644
--- a/frontend/src/Projects/index.tsx
+++ b/frontend/src/Projects/index.tsx
@@ -20,6 +20,8 @@ import Input from 'shared/components/Input';
 import updateApolloCache from 'shared/utils/cache';
 import produce from 'immer';
 import NOOP from 'shared/utils/noop';
+import theme from 'App/ThemeStyles';
+import { mixin } from '../shared/utils/styles';
 
 type CreateTeamData = { teamName: string };
 
@@ -54,7 +56,7 @@ const CreateTeamForm: React.FC<CreateTeamFormProps> = ({ onCreateTeam }) => {
 };
 
 const ProjectAddTile = styled.div`
-  background-color: rgba(${props => props.theme.colors.bg.primary}, 0.4);
+  background-color: ${props => mixin.rgba(props.theme.colors.bg.primary, 0.4)};
   background-size: cover;
   background-position: 50%;
   color: #fff;
@@ -176,7 +178,7 @@ const SectionActionLink = styled(Link)`
 
 const ProjectSectionTitle = styled.h3`
   font-size: 16px;
-  color: rgba(${props => props.theme.colors.text.primary});
+  color: ${props => props.theme.colors.text.primary};
 `;
 
 const ProjectsContainer = styled.div`
@@ -229,7 +231,7 @@ const Projects = () => {
     return <GlobalTopNavbar onSaveProjectName={NOOP} projectID={null} name={null} />;
   }
 
-  const colors = ['#e362e3', '#7a6ff0', '#37c5ab', '#aa62e3', '#e8384f'];
+  const colors = theme.colors.multiColors;
   if (data && user) {
     const { projects, teams, organizations } = data;
     const organizationID = organizations[0].id ?? null;
diff --git a/frontend/src/Teams/Members/index.tsx b/frontend/src/Teams/Members/index.tsx
index b00419c..39324e5 100644
--- a/frontend/src/Teams/Members/index.tsx
+++ b/frontend/src/Teams/Members/index.tsx
@@ -21,6 +21,7 @@ import TaskAssignee from 'shared/components/TaskAssignee';
 import Member from 'shared/components/Member';
 import ControlledInput from 'shared/components/ControlledInput';
 import NOOP from 'shared/utils/noop';
+import { mixin } from 'shared/utils/styles';
 
 const MemberListWrapper = styled.div`
   flex: 1 1;
@@ -34,7 +35,7 @@ const UserMember = styled(Member)`
   padding: 4px 0;
   cursor: pointer;
   &:hover {
-    background: rgba(${props => props.theme.colors.bg.primary}, 0.4);
+    background: ${props => mixin.rgba(props.theme.colors.bg.primary, 0.4)};
   }
   border-radius: 6px;
 `;
@@ -119,12 +120,12 @@ export const MiniProfileActionItem = styled.span<{ disabled?: boolean }>`
       ? css`
           user-select: none;
           pointer-events: none;
-          color: rgba(${props.theme.colors.text.primary}, 0.4);
+          color: ${mixin.rgba(props.theme.colors.text.primary, 0.4)};
         `
       : css`
           cursor: pointer;
           &:hover {
-            background: rgb(115, 103, 240);
+            background: ${props.theme.colors.primary};
           }
         `}
 `;
@@ -135,7 +136,7 @@ export const Content = styled.div`
 
 export const CurrentPermission = styled.span`
   margin-left: 4px;
-  color: rgba(${props => props.theme.colors.text.secondary}, 0.4);
+  color: ${props => mixin.rgba(props.theme.colors.text.secondary, 0.4)};
 `;
 
 export const Separator = styled.div`
@@ -146,13 +147,13 @@ export const Separator = styled.div`
 
 export const WarningText = styled.span`
   display: flex;
-  color: rgba(${props => props.theme.colors.text.primary}, 0.4);
+  color: ${props => mixin.rgba(props.theme.colors.text.primary, 0.4)};
   padding: 6px;
 `;
 
 export const DeleteDescription = styled.div`
   font-size: 14px;
-  color: rgba(${props => props.theme.colors.text.primary});
+  color: ${props => props.theme.colors.text.primary};
 `;
 
 export const RemoveMemberButton = styled(Button)`
@@ -305,14 +306,14 @@ const MemberItemOption = styled(Button)`
 `;
 
 const MemberList = styled.div`
-  border-top: 1px solid rgba(${props => props.theme.colors.border});
+  border-top: 1px solid ${props => props.theme.colors.border};
 `;
 
 const MemberListItem = styled.div`
   display: flex;
   flex-flow: row wrap;
   justify-content: space-between;
-  border-bottom: 1px solid rgba(${props => props.theme.colors.border});
+  border-bottom: 1px solid ${props => props.theme.colors.border};
   min-height: 40px;
   padding: 12px 0 12px 40px;
   position: relative;
@@ -336,11 +337,11 @@ const MemberProfile = styled(TaskAssignee)`
 `;
 
 const MemberItemName = styled.p`
-  color: rgba(${props => props.theme.colors.text.secondary});
+  color: ${props => props.theme.colors.text.secondary};
 `;
 
 const MemberItemUsername = styled.p`
-  color: rgba(${props => props.theme.colors.text.primary});
+  color: ${props => props.theme.colors.text.primary};
 `;
 
 const MemberListHeader = styled.div`
@@ -349,12 +350,12 @@ const MemberListHeader = styled.div`
 `;
 const ListTitle = styled.h3`
   font-size: 18px;
-  color: rgba(${props => props.theme.colors.text.secondary});
+  color: ${props => props.theme.colors.text.secondary};
   margin-bottom: 12px;
 `;
 const ListDesc = styled.span`
   font-size: 16px;
-  color: rgba(${props => props.theme.colors.text.primary});
+  color: ${props => props.theme.colors.text.primary};
 `;
 const FilterSearch = styled(Input)`
   margin: 0;
@@ -386,11 +387,11 @@ const FilterTabItem = styled.li`
   font-weight: 700;
   text-decoration: none;
   padding: 6px 8px;
-  color: rgba(${props => props.theme.colors.text.primary});
+  color: ${props => props.theme.colors.text.primary};
   &:hover {
     border-radius: 6px;
-    background: rgba(${props => props.theme.colors.primary});
-    color: rgba(${props => props.theme.colors.text.secondary});
+    background: ${props => props.theme.colors.primary};
+    color: ${props => props.theme.colors.text.secondary};
   }
 `;
 
diff --git a/frontend/src/Teams/Projects/index.tsx b/frontend/src/Teams/Projects/index.tsx
index 95e96e0..66d831b 100644
--- a/frontend/src/Teams/Projects/index.tsx
+++ b/frontend/src/Teams/Projects/index.tsx
@@ -8,6 +8,7 @@ import {
 } from 'shared/generated/graphql';
 import { Link } from 'react-router-dom';
 import Input from 'shared/components/Input';
+import theme from 'App/ThemeStyles';
 
 const FilterSearch = styled(Input)`
   margin: 0;
@@ -34,11 +35,11 @@ const FilterTabItem = styled.li`
   font-weight: 700;
   text-decoration: none;
   padding: 6px 8px;
-  color: rgba(${props => props.theme.colors.text.primary});
+  color: ${props => props.theme.colors.text.primary};
   &:hover {
     border-radius: 6px;
-    background: rgba(${props => props.theme.colors.primary});
-    color: rgba(${props => props.theme.colors.text.secondary});
+    background: ${props => props.theme.colors.primary};
+    color: ${props => props.theme.colors.text.secondary};
   }
 `;
 
@@ -55,7 +56,7 @@ const FilterTabTitle = styled.h2`
 `;
 
 const ProjectAddTile = styled.div`
-  background-color: rgba(${props => props.theme.colors.bg.primary}, 0.4);
+  background-color: ${props => props.theme.colors.bg.primary};
   background-size: cover;
   background-position: 50%;
   color: #fff;
@@ -147,7 +148,7 @@ const ProjectListWrapper = styled.div`
   flex: 1 1;
 `;
 
-const colors = ['#e362e3', '#7a6ff0', '#37c5ab', '#aa62e3', '#e8384f'];
+const colors = theme.colors.multiColors;
 
 type TeamProjectsProps = {
   teamID: string;
diff --git a/frontend/src/shared/components/AddList/AddList.stories.tsx b/frontend/src/shared/components/AddList/AddList.stories.tsx
index 3311d12..56953c5 100644
--- a/frontend/src/shared/components/AddList/AddList.stories.tsx
+++ b/frontend/src/shared/components/AddList/AddList.stories.tsx
@@ -1,5 +1,6 @@
 import React from 'react';
 import { action } from '@storybook/addon-actions';
+import theme from 'App/ThemeStyles';
 import AddList from '.';
 
 export default {
@@ -7,7 +8,7 @@ export default {
   title: 'AddList',
   parameters: {
     backgrounds: [
-      { name: 'gray', value: '#262c49', default: true },
+      { name: 'gray', value: theme.colors.bg.secondary, default: true },
       { name: 'white', value: '#ffffff' },
     ],
   },
diff --git a/frontend/src/shared/components/AddList/Styles.ts b/frontend/src/shared/components/AddList/Styles.ts
index d09d65f..d9076bd 100644
--- a/frontend/src/shared/components/AddList/Styles.ts
+++ b/frontend/src/shared/components/AddList/Styles.ts
@@ -67,7 +67,7 @@ export const ListNameEditorWrapper = styled.div`
   display: flex;
 `;
 export const ListNameEditor = styled(TextareaAutosize)`
-  background-color: ${props => mixin.lighten('#262c49', 0.05)};
+  background-color: ${props => mixin.lighten(props.theme.colors.bg.secondary, 0.05)};
   border: none;
   box-shadow: inset 0 0 0 2px #0079bf;
   transition: margin 85ms ease-in, background 85ms ease-in;
@@ -91,7 +91,7 @@ export const ListNameEditor = styled(TextareaAutosize)`
 
   color: #c2c6dc;
   l &:focus {
-    background-color: ${props => mixin.lighten('#262c49', 0.05)};
+    background-color: ${props => mixin.lighten(props.theme.colors.bg.secondary, 0.05)};
   }
 `;
 
diff --git a/frontend/src/shared/components/Admin/index.tsx b/frontend/src/shared/components/Admin/index.tsx
index feaa6ab..0903043 100644
--- a/frontend/src/shared/components/Admin/index.tsx
+++ b/frontend/src/shared/components/Admin/index.tsx
@@ -8,6 +8,7 @@ import { RoleCode, useUpdateUserRoleMutation } from 'shared/generated/graphql';
 import Input from 'shared/components/Input';
 import Button from 'shared/components/Button';
 import NOOP from 'shared/utils/noop';
+import { mixin } from 'shared/utils/styles';
 
 export const RoleCheckmark = styled(Checkmark)`
   padding-left: 4px;
@@ -58,12 +59,12 @@ export const MiniProfileActionItem = styled.span<{ disabled?: boolean }>`
       ? css`
           user-select: none;
           pointer-events: none;
-          color: rgba(${props.theme.colors.text.primary}, 0.4);
+          color: ${mixin.rgba(props.theme.colors.text.primary, 0.4)};
         `
       : css`
           cursor: pointer;
           &:hover {
-            background: rgb(115, 103, 240);
+            background: ${props.theme.colors.primary};
           }
         `}
 `;
@@ -74,7 +75,7 @@ export const Content = styled.div`
 
 export const CurrentPermission = styled.span`
   margin-left: 4px;
-  color: rgba(${props => props.theme.colors.text.secondary}, 0.4);
+  color: ${props => mixin.rgba(props.theme.colors.text.secondary, 0.4)};
 `;
 
 export const Separator = styled.div`
@@ -85,13 +86,13 @@ export const Separator = styled.div`
 
 export const WarningText = styled.span`
   display: flex;
-  color: rgba(${props => props.theme.colors.text.primary}, 0.4);
+  color: ${props => mixin.rgba(props.theme.colors.text.primary, 0.4)};
   padding: 6px;
 `;
 
 export const DeleteDescription = styled.div`
   font-size: 14px;
-  color: rgba(${props => props.theme.colors.text.primary});
+  color: ${props => props.theme.colors.text.primary};
 `;
 
 export const RemoveMemberButton = styled(Button)`
@@ -333,14 +334,14 @@ const MemberItemOption = styled(Button)`
 `;
 
 const MemberList = styled.div`
-  border-top: 1px solid rgba(${props => props.theme.colors.border});
+  border-top: 1px solid ${props => props.theme.colors.border};
 `;
 
 const MemberListItem = styled.div`
   display: flex;
   flex-flow: row wrap;
   justify-content: space-between;
-  border-bottom: 1px solid rgba(${props => props.theme.colors.border});
+  border-bottom: 1px solid ${props => props.theme.colors.border};
   min-height: 40px;
   padding: 12px 0 12px 40px;
   position: relative;
@@ -364,11 +365,11 @@ const MemberProfile = styled(TaskAssignee)`
 `;
 
 const MemberItemName = styled.p`
-  color: rgba(${props => props.theme.colors.text.secondary});
+  color: ${props => props.theme.colors.text.secondary};
 `;
 
 const MemberItemUsername = styled.p`
-  color: rgba(${props => props.theme.colors.text.primary});
+  color: ${props => props.theme.colors.text.primary};
 `;
 
 const MemberListHeader = styled.div`
@@ -377,12 +378,12 @@ const MemberListHeader = styled.div`
 `;
 const ListTitle = styled.h3`
   font-size: 18px;
-  color: rgba(${props => props.theme.colors.text.secondary});
+  color: ${props => props.theme.colors.text.secondary};
   margin-bottom: 12px;
 `;
 const ListDesc = styled.span`
   font-size: 16px;
-  color: rgba(${props => props.theme.colors.text.primary});
+  color: ${props => props.theme.colors.text.primary};
 `;
 const FilterSearch = styled(Input)`
   margin: 0;
@@ -443,17 +444,17 @@ const TabNavItemButton = styled.button<{ active: boolean }>`
   width: 100%;
   position: relative;
 
-  color: ${props => (props.active ? 'rgba(115, 103, 240)' : '#c2c6dc')};
+  color: ${props => (props.active ? `${props.theme.colors.secondary}` : props.theme.colors.text.primary)};
   &:hover {
-    color: rgba(115, 103, 240);
+    color: ${props => `${props.theme.colors.primary}`};
   }
   &:hover svg {
-    fill: rgba(115, 103, 240);
+    fill: ${props => props.theme.colors.primary};
   }
 `;
 const TabItemUser = styled(User)<{ active: boolean }>`
-fill: ${props => (props.active ? 'rgba(115, 103, 240)' : '#c2c6dc')}
-stroke: ${props => (props.active ? 'rgba(115, 103, 240)' : '#c2c6dc')}
+fill: ${props => (props.active ? `${props.theme.colors.primary}` : props.theme.colors.text.primary)}
+stroke: ${props => (props.active ? `${props.theme.colors.primary}` : props.theme.colors.text.primary)}
 `;
 
 const TabNavItemSpan = styled.span`
@@ -470,8 +471,8 @@ const TabNavLine = styled.span<{ top: number }>`
   transform: scaleX(1);
   top: ${props => props.top}px;
 
-  background: linear-gradient(30deg, rgba(115, 103, 240), rgba(115, 103, 240));
-  box-shadow: 0 0 8px 0 rgba(115, 103, 240);
+  background: linear-gradient(30deg, ${props => props.theme.colors.primary}, ${props => props.theme.colors.primary});
+  box-shadow: 0 0 8px 0 ${props => props.theme.colors.primary};
   display: block;
   position: absolute;
   transition: all 0.2s ease;
diff --git a/frontend/src/shared/components/Button/index.tsx b/frontend/src/shared/components/Button/index.tsx
index 41f9380..be6fa8e 100644
--- a/frontend/src/shared/components/Button/index.tsx
+++ b/frontend/src/shared/components/Button/index.tsx
@@ -1,5 +1,6 @@
 import React, { useRef } from 'react';
 import styled, { css } from 'styled-components/macro';
+import { mixin } from '../../utils/styles';
 
 const Text = styled.span<{ fontSize: string; justifyTextContent: string; hasIcon?: boolean }>`
   position: relative;
@@ -8,7 +9,7 @@ const Text = styled.span<{ fontSize: string; justifyTextContent: string; hasIcon
   justify-content: ${props => props.justifyTextContent};
   transition: all 0.2s ease;
   font-size: ${props => props.fontSize};
-  color: rgba(${props => props.theme.colors.text.secondary});
+  color: ${props => props.theme.colors.text.secondary};
   ${props =>
     props.hasIcon &&
     css`
@@ -36,35 +37,36 @@ const Base = styled.button<{ color: string; disabled: boolean }>`
 `;
 
 const Filled = styled(Base)<{ hoverVariant: HoverVariant }>`
-  background: rgba(${props => props.theme.colors[props.color]});
+  background: ${props => props.theme.colors[props.color]};
   ${props =>
     props.hoverVariant === 'boxShadow' &&
     css`
       &:hover {
-        box-shadow: 0 8px 25px -8px rgba(${props.theme.colors[props.color]});
+        box-shadow: 0 8px 25px -8px ${props.theme.colors[props.color]};
       }
     `}
 `;
+
 const Outline = styled(Base)<{ invert: boolean }>`
-  border: 1px solid rgba(${props => props.theme.colors[props.color]});
+  border: 1px solid ${props => props.theme.colors[props.color]};
   background: transparent;
   ${props =>
     props.invert
       ? css`
-          background: rgba(${props.theme.colors[props.color]});
+          background: ${props.theme.colors[props.color]});
           & ${Text} {
-            color: rgba(${props.theme.colors.text.secondary});
+            color: ${props.theme.colors.text.secondary});
           }
           &:hover {
-            background: rgba(${props.theme.colors[props.color]}, 0.8);
+            background: ${mixin.rgba(props.theme.colors[props.color], 0.8)};
           }
         `
       : css`
           & ${Text} {
-            color: rgba(${props.theme.colors[props.color]});
+            color: ${props.theme.colors[props.color]});
           }
           &:hover {
-            background: rgba(${props.theme.colors[props.color]}, 0.08);
+            background: ${mixin.rgba(props.theme.colors[props.color], 0.08)};
           }
         `}
 `;
@@ -72,7 +74,7 @@ const Outline = styled(Base)<{ invert: boolean }>`
 const Flat = styled(Base)`
   background: transparent;
   &:hover {
-    background: rgba(${props => props.theme.colors[props.color]}, 0.2);
+    background: ${props => mixin.rgba(props.theme.colors[props.color], 0.2)};
   }
 `;
 
@@ -85,7 +87,7 @@ const LineX = styled.span<{ color: string }>`
   bottom: -2px;
   left: 50%;
   transform: translate(-50%);
-  background: rgba(${props => props.theme.colors[props.color]}, 1);
+  background: ${props => mixin.rgba(props.theme.colors[props.color], 1)};
 `;
 
 const LineDown = styled(Base)`
@@ -94,7 +96,7 @@ const LineDown = styled(Base)`
   border-width: 0;
   border-style: solid;
   border-bottom-width: 2px;
-  border-color: rgba(${props => props.theme.colors[props.color]}, 0.2);
+  border-color: ${props => mixin.rgba(props.theme.colors[props.color], 0.2)};
 
   &:hover ${LineX} {
     width: 100%;
@@ -107,8 +109,8 @@ const LineDown = styled(Base)`
 const Gradient = styled(Base)`
   background: linear-gradient(
     30deg,
-    rgba(${props => props.theme.colors[props.color]}, 1),
-    rgba(${props => props.theme.colors[props.color]}, 0.5)
+    ${props => mixin.rgba(props.theme.colors[props.color], 1)},
+    ${props => mixin.rgba(props.theme.colors[props.color], 0.5)}
   );
   text-shadow: 1px 2px 4px rgba(0, 0, 0, 0.3);
   &:hover {
@@ -117,7 +119,7 @@ const Gradient = styled(Base)`
 `;
 
 const Relief = styled(Base)`
-  background: rgba(${props => props.theme.colors[props.color]}, 1);
+  background: ${props => mixin.rgba(props.theme.colors[props.color], 1)};
   -webkit-box-shadow: 0 -3px 0 0 rgba(0, 0, 0, 0.2) inset;
   box-shadow: inset 0 -3px 0 0 rgba(0, 0, 0, 0.2);
 
diff --git a/frontend/src/shared/components/Card/Styles.ts b/frontend/src/shared/components/Card/Styles.ts
index 3905091..41f3b04 100644
--- a/frontend/src/shared/components/Card/Styles.ts
+++ b/frontend/src/shared/components/Card/Styles.ts
@@ -5,8 +5,8 @@ import { CheckCircle, CheckSquareOutline, Clock } from 'shared/icons';
 import TaskAssignee from 'shared/components/TaskAssignee';
 
 export const CardMember = styled(TaskAssignee)<{ zIndex: number }>`
-  box-shadow: 0 0 0 2px rgba(${props => props.theme.colors.bg.secondary}),
-    inset 0 0 0 1px rgba(${props => props.theme.colors.bg.secondary}, 0.07);
+  box-shadow: 0 0 0 2px ${props => props.theme.colors.bg.secondary},
+    inset 0 0 0 1px ${props => mixin.rgba(props.theme.colors.bg.secondary, 0.07)};
   z-index: ${props => props.zIndex};
   position: relative;
 `;
@@ -14,8 +14,8 @@ export const ChecklistIcon = styled(CheckSquareOutline)<{ color: 'success' | 'no
   ${props =>
     props.color === 'success' &&
     css`
-      fill: rgba(${props.theme.colors.success});
-      stroke: rgba(${props.theme.colors.success});
+      fill: ${props.theme.colors.success};
+      stroke: ${props.theme.colors.success};
     `}
 `;
 export const ClockIcon = styled(Clock)<{ color: string }>`
@@ -38,7 +38,7 @@ export const EditorTextarea = styled(TextareaAutosize)`
   padding: 0;
   font-size: 14px;
   line-height: 18px;
-  color: rgba(${props => props.theme.colors.text.primary});
+  color: ${props => props.theme.colors.text.primary};
   &:focus {
     border: none;
     outline: none;
@@ -89,7 +89,7 @@ export const ListCardBadgeText = styled.span<{ color?: 'success' | 'normal' }>`
   padding: 0 4px 0 6px;
   vertical-align: top;
   white-space: nowrap;
-  ${props => props.color === 'success' && `color: rgba(${props.theme.colors.success});`}
+  ${props => props.color === 'success' && `color: ${props.theme.colors.success};`}
 `;
 
 export const ListCardContainer = styled.div<{ isActive: boolean; editable: boolean }>`
@@ -101,7 +101,9 @@ export const ListCardContainer = styled.div<{ isActive: boolean; editable: boole
   position: relative;
 
   background-color: ${props =>
-    props.isActive && !props.editable ? mixin.darken('#262c49', 0.1) : `rgba(${props.theme.colors.bg.secondary})`};
+    props.isActive && !props.editable
+      ? mixin.darken(props.theme.colors.bg.secondary, 0.1)
+      : `${props.theme.colors.bg.secondary}`};
 `;
 
 export const ListCardInnerContainer = styled.div`
@@ -221,7 +223,7 @@ export const ListCardOperation = styled.span`
   top: 2px;
   z-index: 100;
   &:hover {
-    background-color: ${props => mixin.darken('#262c49', 0.25)};
+    background-color: ${props => mixin.darken(props.theme.colors.bg.secondary, 0.25)};
   }
 `;
 
@@ -233,7 +235,7 @@ export const CardTitle = styled.span`
   word-wrap: break-word;
   line-height: 18px;
   font-size: 14px;
-  color: rgba(${props => props.theme.colors.text.primary});
+  color: ${props => props.theme.colors.text.primary};
 
   display: flex;
   align-items: center;
@@ -246,7 +248,7 @@ export const CardMembers = styled.div`
 `;
 
 export const CompleteIcon = styled(CheckCircle)`
-  fill: rgba(${props => props.theme.colors.success});
+  fill: ${props => props.theme.colors.success};
   margin-right: 4px;
   flex-shrink: 0;
 `;
diff --git a/frontend/src/shared/components/Checklist/Checklist.stories.tsx b/frontend/src/shared/components/Checklist/Checklist.stories.tsx
index 4a224e2..c778c45 100644
--- a/frontend/src/shared/components/Checklist/Checklist.stories.tsx
+++ b/frontend/src/shared/components/Checklist/Checklist.stories.tsx
@@ -22,7 +22,7 @@ export default {
 const Container = styled.div`
   width: 552px;
   margin: 25px;
-  border: 1px solid rgba(${props => props.theme.colors.bg.primary});
+  border: 1px solid ${props => props.theme.colors.bg.primary};
 `;
 
 const defaultItems = [
diff --git a/frontend/src/shared/components/Checklist/index.tsx b/frontend/src/shared/components/Checklist/index.tsx
index 6128c84..7384623 100644
--- a/frontend/src/shared/components/Checklist/index.tsx
+++ b/frontend/src/shared/components/Checklist/index.tsx
@@ -12,6 +12,7 @@ import Button from 'shared/components/Button';
 import TextareaAutosize from 'react-autosize-textarea';
 import Control from 'react-select/src/components/Control';
 import useOnOutsideClick from 'shared/hooks/onOutsideClick';
+import { mixin } from 'shared/utils/styles';
 
 const Wrapper = styled.div`
   margin-bottom: 24px;
@@ -38,7 +39,7 @@ const WindowChecklistTitle = styled.div`
 
 const WindowTitleText = styled.h3`
   cursor: pointer;
-  color: rgba(${props => props.theme.colors.text.primary});
+  color: ${props => props.theme.colors.text.primary};
   margin: 6px 0;
   display: inline-block;
   width: auto;
@@ -73,7 +74,7 @@ const ChecklistProgressPercent = styled.span`
 `;
 
 const ChecklistProgressBar = styled.div`
-  background: rgba(${props => props.theme.colors.bg.primary});
+  background: ${props => props.theme.colors.bg.primary};
   border-radius: 4px;
   clear: both;
   height: 8px;
@@ -83,7 +84,7 @@ const ChecklistProgressBar = styled.div`
 `;
 const ChecklistProgressBarCurrent = styled.div<{ width: number }>`
   width: ${props => props.width}%;
-  background: rgba(${props => (props.width === 100 ? props.theme.colors.success : props.theme.colors.primary)});
+  background: ${props => (props.width === 100 ? props.theme.colors.success : props.theme.colors.primary)};
   bottom: 0;
   left: 0;
   position: absolute;
@@ -111,7 +112,7 @@ const ChecklistIcon = styled.div`
 `;
 
 const ChecklistItemCheckedIcon = styled(CheckSquare)`
-  fill: rgba(${props => props.theme.colors.primary});
+  fill: ${props => props.theme.colors.primary};
 `;
 
 const ChecklistItemDetails = styled.div`
@@ -133,7 +134,7 @@ const ChecklistItemTextControls = styled.div`
 `;
 
 const ChecklistItemText = styled.span<{ complete: boolean }>`
-  color: ${props => (props.complete ? '#5e6c84' : `rgba(${props.theme.colors.text.primary})`)};
+  color: ${props => (props.complete ? '#5e6c84' : `${props.theme.colors.text.primary}`)};
   ${props => props.complete && 'text-decoration: line-through;'}
   line-height: 20px;
   font-size: 16px;
@@ -155,14 +156,14 @@ const ControlButton = styled.div`
   margin-left: 4px;
   padding: 4px 6px;
   border-radius: 6px;
-  background-color: rgba(${props => props.theme.colors.bg.primary}, 0.8);
+  background-color: ${props => mixin.rgba(props.theme.colors.bg.primary, 0.8)};
   display: flex;
   width: 32px;
   height: 32px;
   align-items: center;
   justify-content: center;
   &:hover {
-    background-color: rgba(${props => props.theme.colors.primary}, 1);
+    background-color: ${props => mixin.rgba(props.theme.colors.primary, 1)};
   }
 `;
 
@@ -189,27 +190,27 @@ export const ChecklistNameEditor = styled(TextareaAutosize)`
   padding: 8px 12px;
   font-size: 16px;
   line-height: 20px;
-  border: 1px solid rgba(${props => props.theme.colors.primary});
+  border: 1px solid ${props => props.theme.colors.primary};
   border-radius: 3px;
-  color: rgba(${props => props.theme.colors.text.primary});
+  color: ${props => props.theme.colors.text.primary};
 
-  border-color: rgba(${props => props.theme.colors.border});
-  background-color: rgba(${props => props.theme.colors.bg.primary}, 0.4);
+  border-color: ${props => props.theme.colors.border};
+  background-color: ${props => mixin.rgba(props.theme.colors.bg.primary, 0.4)};
   &:focus {
-    border-color: rgba(${props => props.theme.colors.primary});
+    border-color: ${props => props.theme.colors.primary};
   }
 `;
 
 const AssignUserButton = styled(AccountPlus)`
-  fill: rgba(${props => props.theme.colors.text.primary});
+  fill: ${props => props.theme.colors.text.primary};
 `;
 
 const ClockButton = styled(Clock)`
-  fill: rgba(${props => props.theme.colors.text.primary});
+  fill: ${props => props.theme.colors.text.primary};
 `;
 
 const TrashButton = styled(Trash)`
-  fill: rgba(${props => props.theme.colors.text.primary});
+  fill: ${props => props.theme.colors.text.primary};
 `;
 
 const ChecklistItemWrapper = styled.div<{ ref: any }>`
@@ -224,7 +225,7 @@ const ChecklistItemWrapper = styled.div<{ ref: any }>`
   }
 
   &:hover {
-    background-color: rgba(${props => props.theme.colors.bg.primary}, 0.4);
+    background-color: ${props => mixin.rgba(props.theme.colors.bg.primary, 0.4)};
   }
   &:hover ${ControlButton} {
     opacity: 1;
@@ -246,10 +247,10 @@ const CancelButton = styled.div`
   cursor: pointer;
   margin: 5px;
   & svg {
-    fill: rgba(${props => props.theme.colors.text.primary});
+    fill: ${props => props.theme.colors.text.primary};
   }
   &:hover svg {
-    fill: rgba(${props => props.theme.colors.text.secondary});
+    fill: ${props => props.theme.colors.text.secondary};
   }
 `;
 
@@ -265,7 +266,7 @@ const EditableDeleteButton = styled.button`
   border-radius: 3px;
 
   &:hover {
-    background: rgba(${props => props.theme.colors.primary}, 0.8);
+    background: ${props => mixin.rgba(props.theme.colors.primary, 0.8)};
   }
 `;
 
diff --git a/frontend/src/shared/components/Chip/index.tsx b/frontend/src/shared/components/Chip/index.tsx
index 133bb1b..29ab28d 100644
--- a/frontend/src/shared/components/Chip/index.tsx
+++ b/frontend/src/shared/components/Chip/index.tsx
@@ -7,7 +7,7 @@ const LabelText = styled.span`
   display: flex;
   align-items: center;
   justify-content: center;
-  color: rgba(${props => props.theme.colors.text.primary});
+  color: ${props => props.theme.colors.text.primary};
 `;
 
 const Container = styled.div<{ color?: string }>`
@@ -24,11 +24,11 @@ const Container = styled.div<{ color?: string }>`
       ? css`
           background: ${props.color};
           & ${LabelText} {
-            color: rgba(${props.theme.colors.text.secondary});
+            color: ${props.theme.colors.text.secondary};
           }
         `
       : css`
-          background: rgba(${props.theme.colors.bg.primary});
+          background: ${props.theme.colors.bg.primary};
         `}
 `;
 
diff --git a/frontend/src/shared/components/ControlledInput/Input.stories.tsx b/frontend/src/shared/components/ControlledInput/Input.stories.tsx
index 2ff7545..ba0187f 100644
--- a/frontend/src/shared/components/ControlledInput/Input.stories.tsx
+++ b/frontend/src/shared/components/ControlledInput/Input.stories.tsx
@@ -19,7 +19,7 @@ export default {
 };
 
 const Wrapper = styled.div`
-  background: rgba(${props => props.theme.colors.bg.primary});
+  background: ${props => props.theme.colors.bg.primary};
   padding: 45px;
   margin: 25px;
   display: flex;
diff --git a/frontend/src/shared/components/ControlledInput/index.tsx b/frontend/src/shared/components/ControlledInput/index.tsx
index 342e602..2a8d2fb 100644
--- a/frontend/src/shared/components/ControlledInput/index.tsx
+++ b/frontend/src/shared/components/ControlledInput/index.tsx
@@ -1,5 +1,6 @@
 import React, { useState, useEffect, useRef } from 'react';
 import styled, { css } from 'styled-components/macro';
+import theme from '../../../App/ThemeStyles';
 
 const InputWrapper = styled.div<{ width: string }>`
   position: relative;
@@ -57,14 +58,14 @@ const InputInput = styled.input<{
     background: ${props => props.focusBg};
   }
   &:focus ~ ${InputLabel} {
-    color: rgba(115, 103, 240);
+    color: ${props => props.theme.colors.primary};
     transform: translate(-3px, -90%);
   }
   ${props =>
     props.hasValue &&
     css`
       & ~ ${InputLabel} {
-        color: rgba(115, 103, 240);
+        color: ${props.theme.colors.primary};
         transform: translate(-3px, -90%);
       }
     `}
@@ -115,8 +116,8 @@ const ControlledInput = ({
 }: ControlledInputProps) => {
   const $input = useRef<HTMLInputElement>(null);
   const [hasValue, setHasValue] = useState(false);
-  const borderColor = variant === 'normal' ? 'rgba(0, 0, 0, 0.2)' : '#414561';
-  const focusBg = variant === 'normal' ? 'rgba(38, 44, 73, )' : 'rgba(16, 22, 58, 1)';
+  const borderColor = variant === 'normal' ? 'rgba(0, 0, 0, 0.2)' : theme.colors.alternate;
+  const focusBg = variant === 'normal' ? theme.colors.bg.secondary : theme.colors.bg.primary;
   useEffect(() => {
     if (autoFocus && $input && $input.current) {
       $input.current.focus();
diff --git a/frontend/src/shared/components/DropdownMenu/DropdownMenu.stories.tsx b/frontend/src/shared/components/DropdownMenu/DropdownMenu.stories.tsx
index f6d1bd4..33a8090 100644
--- a/frontend/src/shared/components/DropdownMenu/DropdownMenu.stories.tsx
+++ b/frontend/src/shared/components/DropdownMenu/DropdownMenu.stories.tsx
@@ -2,6 +2,7 @@ import React, { createRef, useState } from 'react';
 import styled from 'styled-components';
 import { action } from '@storybook/addon-actions';
 import DropdownMenu from '.';
+import theme from '../../../App/ThemeStyles';
 
 export default {
   component: DropdownMenu,
@@ -10,7 +11,7 @@ export default {
     backgrounds: [
       { name: 'white', value: '#ffffff' },
       { name: 'gray', value: '#f8f8f8' },
-      { name: 'darkBlue', value: '#262c49', default: true },
+      { name: 'darkBlue', value: theme.colors.bg.secondary, default: true },
     ],
   },
 };
diff --git a/frontend/src/shared/components/DropdownMenu/Styles.ts b/frontend/src/shared/components/DropdownMenu/Styles.ts
index 22e5216..26837a2 100644
--- a/frontend/src/shared/components/DropdownMenu/Styles.ts
+++ b/frontend/src/shared/components/DropdownMenu/Styles.ts
@@ -59,7 +59,7 @@ export const ActionItem = styled.li`
   align-items: center;
   font-size: 14px;
   &:hover {
-    background: rgb(115, 103, 240);
+    background: ${props => props.theme.colors.primary};
   }
 `;
 
diff --git a/frontend/src/shared/components/DueDateManager/Styles.ts b/frontend/src/shared/components/DueDateManager/Styles.ts
index a6976e2..a30cac5 100644
--- a/frontend/src/shared/components/DueDateManager/Styles.ts
+++ b/frontend/src/shared/components/DueDateManager/Styles.ts
@@ -19,23 +19,23 @@ display: flex
   }
 
   & .react-datepicker-time__header {
-    color: rgba(${props => props.theme.colors.text.primary});
+    color: ${props => props.theme.colors.text.primary};
   }
   & .react-datepicker__time-list-item {
-    color: rgba(${props => props.theme.colors.text.primary});
+    color: ${props => props.theme.colors.text.primary};
   }
   & .react-datepicker__time-container .react-datepicker__time
   .react-datepicker__time-box ul.react-datepicker__time-list
   li.react-datepicker__time-list-item:hover {
-    color: rgba(${props => props.theme.colors.text.secondary});
-    background: rgba(${props => props.theme.colors.bg.secondary});
+    color: ${props => props.theme.colors.text.secondary};
+    background: ${props => props.theme.colors.bg.secondary};
   }
   & .react-datepicker__time-container .react-datepicker__time {
-    background: rgba(${props => props.theme.colors.bg.primary});
+    background: ${props => props.theme.colors.bg.primary};
   }
   & .react-datepicker--time-only {
-    background: rgba(${props => props.theme.colors.bg.primary});
-    border: 1px solid rgba(${props => props.theme.colors.border});
+    background: ${props => props.theme.colors.bg.primary};
+    border: 1px solid ${props => props.theme.colors.border};
   }
 
   & .react-datepicker * {
@@ -75,12 +75,12 @@ display: flex
   }
   & .react-datepicker__day--selected {
     border-radius: 50%;
-    background: rgba(115, 103, 240);
+    background: ${props => props.theme.colors.primary};
     color: #fff;
   }
   & .react-datepicker__day--selected:hover {
     border-radius: 50%;
-    background: rgba(115, 103, 240);
+    background: ${props => props.theme.colors.primary};
     color: #fff;
   }
   & .react-datepicker__header {
@@ -88,7 +88,7 @@ display: flex
     border: none;
   }
   & .react-datepicker__header--time {
-    border-bottom: 1px solid rgba(${props => props.theme.colors.border});
+    border-bottom: 1px solid ${props => props.theme.colors.border};
   }
 
 `;
diff --git a/frontend/src/shared/components/DueDateManager/index.tsx b/frontend/src/shared/components/DueDateManager/index.tsx
index 62cc1d8..63a8f70 100644
--- a/frontend/src/shared/components/DueDateManager/index.tsx
+++ b/frontend/src/shared/components/DueDateManager/index.tsx
@@ -43,7 +43,7 @@ const HeaderSelectLabel = styled.div`
   color: #c2c6dc;
 
   &:hover {
-    background: rgba(115, 103, 240);
+    background: ${props => props.theme.colors.primary};
     color: #c2c6dc;
   }
 `;
@@ -60,8 +60,8 @@ const HeaderSelect = styled.select`
   appearance: none;
 
   &:hover {
-    background: #262c49;
-    border: 1px solid rgba(115, 103, 240);
+    background: ${props => props.theme.colors.bg.secondary};
+    border: 1px solid ${props => props.theme.colors.primary};
     outline: none !important;
     box-shadow: none;
     color: #c2c6dc;
@@ -93,7 +93,7 @@ const HeaderButton = styled.button`
   border: none;
   border-radius: 3px;
   &:hover {
-    background: rgba(115, 103, 240);
+    background: ${props => props.theme.colors.primary};
     color: #fff;
   }
 `;
diff --git a/frontend/src/shared/components/EmptyBoard/index.tsx b/frontend/src/shared/components/EmptyBoard/index.tsx
index 942a4b6..9fc9fcd 100644
--- a/frontend/src/shared/components/EmptyBoard/index.tsx
+++ b/frontend/src/shared/components/EmptyBoard/index.tsx
@@ -1,6 +1,7 @@
 import React from 'react';
 import styled, { keyframes } from 'styled-components/macro';
 import { mixin } from 'shared/utils/styles';
+import theme from '../../../App/ThemeStyles';
 
 export const BoardContainer = styled.div`
   position: relative;
@@ -34,9 +35,9 @@ export const Container = styled.div`
   white-space: nowrap;
 `;
 
-export const defaultBaseColor = '#10163a';
+export const defaultBaseColor = theme.colors.bg.primary;
 
-export const defaultHighlightColor = mixin.lighten('#10163a', 0.25);
+export const defaultHighlightColor = mixin.lighten(theme.colors.bg.primary, 0.25);
 
 export const skeletonKeyframes = keyframes`
   0% {
diff --git a/frontend/src/shared/components/Input/Input.stories.tsx b/frontend/src/shared/components/Input/Input.stories.tsx
index 2ff7545..ba0187f 100644
--- a/frontend/src/shared/components/Input/Input.stories.tsx
+++ b/frontend/src/shared/components/Input/Input.stories.tsx
@@ -19,7 +19,7 @@ export default {
 };
 
 const Wrapper = styled.div`
-  background: rgba(${props => props.theme.colors.bg.primary});
+  background: ${props => props.theme.colors.bg.primary};
   padding: 45px;
   margin: 25px;
   display: flex;
diff --git a/frontend/src/shared/components/Input/index.tsx b/frontend/src/shared/components/Input/index.tsx
index 23288f3..53ea730 100644
--- a/frontend/src/shared/components/Input/index.tsx
+++ b/frontend/src/shared/components/Input/index.tsx
@@ -1,5 +1,6 @@
 import React, { useState, useEffect, useRef } from 'react';
 import styled, { css } from 'styled-components/macro';
+import theme from '../../../App/ThemeStyles';
 
 const InputWrapper = styled.div<{ width: string }>`
   position: relative;
@@ -53,18 +54,18 @@ const InputInput = styled.input<{
   transition: all 0.3s ease;
   &:focus {
     box-shadow: 0 3px 10px 0 rgba(0, 0, 0, 0.15);
-    border: 1px solid rgba(115, 103, 240);
+    border: 1px solid ${props => props.theme.colors.primary};
     background: ${props => props.focusBg};
   }
   &:focus ~ ${InputLabel} {
-    color: rgba(115, 103, 240);
+    color: ${props => props.theme.colors.primary};
     transform: translate(-3px, -90%);
   }
   ${props =>
     props.hasValue &&
     css`
       & ~ ${InputLabel} {
-        color: rgba(115, 103, 240);
+        color: ${props.theme.colors.primary};
         transform: translate(-3px, -90%);
       }
     `}
@@ -138,8 +139,8 @@ const Input = React.forwardRef(
     $ref: any,
   ) => {
     const [hasValue, setHasValue] = useState(defaultValue !== '');
-    const borderColor = variant === 'normal' ? 'rgba(0, 0, 0, 0.2)' : '#414561';
-    const focusBg = variant === 'normal' ? 'rgba(38, 44, 73, )' : 'rgba(16, 22, 58, 1)';
+    const borderColor = variant === 'normal' ? 'rgba(0,0,0,0.2)' : theme.colors.alternate;
+    const focusBg = variant === 'normal' ? theme.colors.bg.secondary : theme.colors.bg.primary;
 
     // Merge forwarded ref and internal ref in order to be able to access the ref in the useEffect
     // The forwarded ref is not accessible by itself, which is what the innerRef & combined ref is for
diff --git a/frontend/src/shared/components/List/Styles.ts b/frontend/src/shared/components/List/Styles.ts
index f3876ce..422f6c8 100644
--- a/frontend/src/shared/components/List/Styles.ts
+++ b/frontend/src/shared/components/List/Styles.ts
@@ -1,6 +1,5 @@
 import styled, { css } from 'styled-components';
 import TextareaAutosize from 'react-autosize-textarea';
-import { mixin } from 'shared/utils/styles';
 
 export const Container = styled.div`
   width: 272px;
@@ -34,7 +33,7 @@ export const AddCardButton = styled.a`
   &:hover {
     color: #c2c6dc;
     text-decoration: none;
-    background: rgb(115, 103, 240);
+    background: ${props => props.theme.colors.primary};
   }
 `;
 export const Wrapper = styled.div`
@@ -96,7 +95,7 @@ export const Header = styled.div<{ isEditing: boolean }>`
     props.isEditing &&
     css`
       & ${HeaderName} {
-        box-shadow: rgb(115, 103, 240) 0px 0px 0px 1px;
+        box-shadow: ${props.theme.colors.primary} 0px 0px 0px 1px;
       }
     `}
 `;
diff --git a/frontend/src/shared/components/ListActions/Styles.ts b/frontend/src/shared/components/ListActions/Styles.ts
index 49d2b5b..7d535b7 100644
--- a/frontend/src/shared/components/ListActions/Styles.ts
+++ b/frontend/src/shared/components/ListActions/Styles.ts
@@ -21,7 +21,7 @@ export const ListActionItem = styled.span`
   margin: 0 -12px;
   text-decoration: none;
   &:hover {
-    background: rgb(115, 103, 240);
+    background: ${props => props.theme.colors.primary};
   }
 `;
 
diff --git a/frontend/src/shared/components/Lists/Lists.stories.tsx b/frontend/src/shared/components/Lists/Lists.stories.tsx
index dbcdc56..a55a297 100644
--- a/frontend/src/shared/components/Lists/Lists.stories.tsx
+++ b/frontend/src/shared/components/Lists/Lists.stories.tsx
@@ -1,5 +1,6 @@
 import React, { useState } from 'react';
 import { action } from '@storybook/addon-actions';
+import theme from 'App/ThemeStyles';
 import Lists from '.';
 
 export default {
@@ -7,7 +8,7 @@ export default {
   title: 'Lists',
   parameters: {
     backgrounds: [
-      { name: 'gray', value: '#262c49', default: true },
+      { name: 'gray', value: theme.colors.bg.secondary, default: true },
       { name: 'white', value: '#ffffff' },
     ],
   },
diff --git a/frontend/src/shared/components/LoadingSpinner/Styles.ts b/frontend/src/shared/components/LoadingSpinner/Styles.ts
index d203940..c710ac1 100644
--- a/frontend/src/shared/components/LoadingSpinner/Styles.ts
+++ b/frontend/src/shared/components/LoadingSpinner/Styles.ts
@@ -22,10 +22,10 @@ export const LoadingSpinnerWrapper = styled.div<{ color: string; size: string; b
     width: ${props => props.size};
     height: ${props => props.size};
     margin: ${props => props.thickness};
-    border: ${props => props.thickness} solid rgba(${props => props.theme.colors[props.color]});
+    border: ${props => props.thickness} solid ${props => props.theme.colors[props.color]};
     border-radius: 50%;
     animation: 1.2s ${LoadingSpinnerKeyframes} cubic-bezier(0.5, 0, 0.5, 1) infinite;
-    border-color: rgba(${props => props.theme.colors[props.color]}) transparent transparent transparent;
+    border-color: ${props => props.theme.colors[props.color]} transparent transparent transparent;
   }
 
   & > div:nth-child(1) {
diff --git a/frontend/src/shared/components/LoadingSpinner/index.tsx b/frontend/src/shared/components/LoadingSpinner/index.tsx
index 224f275..ee0f0c0 100644
--- a/frontend/src/shared/components/LoadingSpinner/index.tsx
+++ b/frontend/src/shared/components/LoadingSpinner/index.tsx
@@ -1,6 +1,6 @@
 import React from 'react';
 
-import { LoadingSpinnerWrapper} from './Styles';
+import { LoadingSpinnerWrapper } from './Styles';
 
 type LoadingSpinnerProps = {
   color?: 'primary' | 'danger' | 'success' | 'warning' | 'dark';
@@ -30,11 +30,11 @@ const LoadingSpinner: React.FC<LoadingSpinnerProps> = ({
   borderSize = '80px',
 }) => {
   return (
-      <LoadingSpinnerWrapper color={color} size={size} thickness={thickness} borderSize={borderSize}>
-        <div />
-        <div />
-        <div />
-      </LoadingSpinnerWrapper>
+    <LoadingSpinnerWrapper color={color} size={size} thickness={thickness} borderSize={borderSize}>
+      <div />
+      <div />
+      <div />
+    </LoadingSpinnerWrapper>
   );
 };
 
diff --git a/frontend/src/shared/components/Login/Styles.ts b/frontend/src/shared/components/Login/Styles.ts
index b74ec6b..12dfd7e 100644
--- a/frontend/src/shared/components/Login/Styles.ts
+++ b/frontend/src/shared/components/Login/Styles.ts
@@ -1,5 +1,6 @@
 import styled from 'styled-components';
 import Button from 'shared/components/Button';
+import { mixin } from 'shared/utils/styles';
 
 export const Wrapper = styled.div`
   background: #eff2f7;
@@ -68,7 +69,7 @@ export const FormIcon = styled.div`
 
 export const FormError = styled.span`
   font-size: 0.875rem;
-  color: rgb(234, 84, 85);
+  color: ${props => props.theme.colors.danger};
 `;
 
 export const LoginButton = styled(Button)``;
@@ -99,5 +100,5 @@ export const LogoWrapper = styled.div`
   padding-bottom: 16px;
   margin-bottom: 24px;
   color: rgb(222, 235, 255);
-  border-bottom: 1px solid rgba(65, 69, 97, 0.65);
+  border-bottom: 1px solid ${props => mixin.rgba(props.theme.colors.alternate, 0.65)};
 `;
diff --git a/frontend/src/shared/components/MemberManager/Styles.ts b/frontend/src/shared/components/MemberManager/Styles.ts
index dd7ce14..2da1348 100644
--- a/frontend/src/shared/components/MemberManager/Styles.ts
+++ b/frontend/src/shared/components/MemberManager/Styles.ts
@@ -20,14 +20,14 @@ export const MemberManagerSearch = styled(TextareaAutosize)`
   font-size: 14px;
   font-weight: 400;
 
-  background: #262c49;
+  background: ${props => props.theme.colors.bgColor.secondary};
   outline: none;
-  color: #c2c6dc;
-  border-color: #414561;
+  color: ${props => props.theme.colors.text.primary};
+  border-color: ${props => props.theme.colors.border};
 
   &:focus {
-    box-shadow: rgb(115, 103, 240) 0px 0px 0px 1px;
-    background: ${mixin.darken('#262c49', 0.15)};
+    box-shadow: ${props => props.theme.colors.primary} 0px 0px 0px 1px;
+    background: ${props => mixin.darken(props.theme.colors.bgColor.secondary, 0.15)};
   }
 `;
 
@@ -66,8 +66,8 @@ export const BoardMemberListItemContent = styled(Member)`
   color: #c2c6dc;
 
   &:hover {
-    background-color: rgba(${props => props.theme.colors.primary});
-    color: rgba(${props => props.theme.colors.text.secondary});
+    background-color: ${props => props.theme.colors.primary};
+    color: ${props => props.theme.colors.text.secondary};
   }
 `;
 
@@ -80,7 +80,7 @@ export const ProfileIcon = styled.div`
   justify-content: center;
   color: #c2c6dc;
   font-weight: 700;
-  background: rgb(115, 103, 240);
+  background: ${props => props.theme.colors.primary};
   cursor: pointer;
   margin-right: 6px;
 `;
diff --git a/frontend/src/shared/components/MiniProfile/Styles.ts b/frontend/src/shared/components/MiniProfile/Styles.ts
index 94b0680..689771a 100644
--- a/frontend/src/shared/components/MiniProfile/Styles.ts
+++ b/frontend/src/shared/components/MiniProfile/Styles.ts
@@ -1,6 +1,7 @@
 import styled, { css } from 'styled-components';
 import Button from 'shared/components/Button';
 import { Checkmark } from 'shared/icons';
+import { mixin } from 'shared/utils/styles';
 
 export const RoleCheckmark = styled(Checkmark)`
   padding-left: 4px;
@@ -80,36 +81,36 @@ export const MiniProfileActionItem = styled.span<{ disabled?: boolean }>`
       ? css`
           user-select: none;
           pointer-events: none;
-          color: rgba(${props.theme.colors.text.primary}, 0.4);
+          color: ${mixin.rgba(props.theme.colors.text.primary, 0.4)};
         `
       : css`
           cursor: pointer;
           &:hover {
-            background: rgb(115, 103, 240);
+            background: ${props.theme.colors.primary};
           }
         `}
 `;
 
 export const CurrentPermission = styled.span`
   margin-left: 4px;
-  color: rgba(${props => props.theme.colors.text.secondary}, 0.4);
+  color: ${props => mixin.rgba(props.theme.colors.text.secondary, 0.4)};
 `;
 
 export const Separator = styled.div`
   height: 1px;
-  border-top: 1px solid #414561;
+  border-top: 1px solid ${props => props.theme.colors.alternate};
   margin: 0.25rem !important;
 `;
 
 export const WarningText = styled.span`
   display: flex;
-  color: rgba(${props => props.theme.colors.text.primary}, 0.4);
+  color: ${props => mixin.rgba(props.theme.colors.text.primary, 0.4)};
   padding: 6px;
 `;
 
 export const DeleteDescription = styled.div`
   font-size: 14px;
-  color: rgba(${props => props.theme.colors.text.primary});
+  color: ${props => props.theme.colors.text.primary};
 `;
 
 export const RemoveMemberButton = styled(Button)`
diff --git a/frontend/src/shared/components/Modal/index.tsx b/frontend/src/shared/components/Modal/index.tsx
index 620c386..d31f862 100644
--- a/frontend/src/shared/components/Modal/index.tsx
+++ b/frontend/src/shared/components/Modal/index.tsx
@@ -30,9 +30,9 @@ const CloseIcon = styled(Cross)`
   top: 16px;
   right: -32px;
   cursor: pointer;
-  fill: rgba(${props => props.theme.colors.text.primary});
+  fill: ${props => props.theme.colors.text.primary};
   &:hover {
-    fill: rgba(${props => props.theme.colors.text.secondary});
+    fill: ${props => props.theme.colors.text.secondary};
   }
 `;
 
diff --git a/frontend/src/shared/components/Navbar/Styles.ts b/frontend/src/shared/components/Navbar/Styles.ts
index ff4e4e2..f05a5fa 100644
--- a/frontend/src/shared/components/Navbar/Styles.ts
+++ b/frontend/src/shared/components/Navbar/Styles.ts
@@ -1,4 +1,5 @@
 import styled, { css } from 'styled-components';
+import { mixin } from 'shared/utils/styles';
 
 export const Logo = styled.div``;
 
@@ -9,7 +10,7 @@ export const LogoTitle = styled.div`
   font-size: 24px;
   font-weight: 600;
   transition: visibility, opacity, transform 0.25s ease;
-  color: #7367f0;
+  color: #22ff00;
 `;
 export const ActionContainer = styled.div`
   position: relative;
@@ -46,8 +47,8 @@ export const ActionButtonWrapper = styled.div<{ active?: boolean }>`
   ${props =>
     props.active &&
     css`
-      background: rgb(115, 103, 240);
-      box-shadow: 0 0 10px 1px rgba(115, 103, 240, 0.7);
+      background: ${props.theme.colors.primary};
+      box-shadow: 0 0 10px 1px ${mixin.rgba(props.theme.colors.primary, 0.7)};
     `}
   border-radius: 6px;
   cursor: pointer;
@@ -73,7 +74,7 @@ export const LogoWrapper = styled.div`
   color: rgb(222, 235, 255);
   cursor: pointer;
   transition: color 0.1s ease 0s, border 0.1s ease 0s;
-  border-bottom: 1px solid rgba(65, 69, 97, 0.65);
+  border-bottom: 1px solid ${props => mixin.rgba(props.theme.colors.alternate, 0.65)};
 `;
 
 export const Container = styled.aside`
@@ -87,12 +88,12 @@ export const Container = styled.aside`
   transform: translateZ(0px);
   background: #10163a;
   transition: all 0.1s ease 0s;
-  border-right: 1px solid rgba(65, 69, 97, 0.65);
+  border-right: 1px solid ${props => mixin.rgba(props.theme.colors.alternate, 0.65)};
 
   &:hover {
     width: 260px;
     box-shadow: rgba(0, 0, 0, 0.6) 0px 0px 50px 0px;
-    border-right: 1px solid rgba(65, 69, 97, 0);
+    border-right: 1px solid ${props => mixin.rgba(props.theme.colors.alternate, 0)};
   }
   &:hover ${LogoTitle} {
     bottom: -12px;
@@ -106,6 +107,6 @@ export const Container = styled.aside`
   }
 
   &:hover ${LogoWrapper} {
-    border-bottom: 1px solid rgba(65, 69, 97, 0);
+    border-bottom: 1px solid ${props => mixin.rgba(props.theme.colors.alternate, 0)};
   }
 `;
diff --git a/frontend/src/shared/components/NewProject/index.tsx b/frontend/src/shared/components/NewProject/index.tsx
index 039e8e4..f91ddc0 100644
--- a/frontend/src/shared/components/NewProject/index.tsx
+++ b/frontend/src/shared/components/NewProject/index.tsx
@@ -3,16 +3,17 @@ import styled from 'styled-components';
 import { mixin } from 'shared/utils/styles';
 import Select from 'react-select';
 import { ArrowLeft, Cross } from 'shared/icons';
+import theme from '../../../App/ThemeStyles';
 
 function getBackgroundColor(isDisabled: boolean, isSelected: boolean, isFocused: boolean) {
   if (isDisabled) {
     return null;
   }
   if (isSelected) {
-    return mixin.darken('#262c49', 0.25);
+    return mixin.darken(theme.colors.bg.secondary, 0.25);
   }
   if (isFocused) {
-    return mixin.darken('#262c49', 0.15);
+    return mixin.darken(theme.colors.bg.secondary, 0.15);
   }
   return null;
 }
@@ -97,8 +98,8 @@ const ProjectName = styled.input`
   font-weight: 400;
 
   &:focus {
-    background: ${mixin.darken('#262c49', 0.15)};
-    box-shadow: rgb(115, 103, 240) 0px 0px 0px 1px;
+    background: ${props => mixin.darken(props.theme.colors.bg.secondary, 0.15)};
+    box-shadow: ${props => props.theme.colors.primary} 0px 0px 0px 1px;
   }
 `;
 const ProjectNameLabel = styled.label`
@@ -126,35 +127,35 @@ const colourStyles = {
   control: (styles: any, data: any) => {
     return {
       ...styles,
-      backgroundColor: data.isMenuOpen ? mixin.darken('#262c49', 0.15) : '#262c49',
-      boxShadow: data.menuIsOpen ? 'rgb(115, 103, 240) 0px 0px 0px 1px' : 'none',
+      backgroundColor: data.isMenuOpen ? mixin.darken(theme.colors.bg.secondary, 0.15) : theme.colors.bg.secondary,
+      boxShadow: data.menuIsOpen ? `${theme.colors.primary} 0px 0px 0px 1px` : 'none',
       borderRadius: '3px',
       borderWidth: '1px',
       borderStyle: 'solid',
       borderImage: 'initial',
-      borderColor: '#414561',
+      borderColor: theme.colors.alternate,
       ':hover': {
-        boxShadow: 'rgb(115, 103, 240) 0px 0px 0px 1px',
+        boxShadow: `${theme.colors.primary} 0px 0px 0px 1px`,
         borderRadius: '3px',
         borderWidth: '1px',
         borderStyle: 'solid',
         borderImage: 'initial',
-        borderColor: '#414561',
+        borderColor: theme.colors.alternate,
       },
       ':active': {
-        boxShadow: 'rgb(115, 103, 240) 0px 0px 0px 1px',
+        boxShadow: `${theme.colors.primary} 0px 0px 0px 1px`,
         borderRadius: '3px',
         borderWidth: '1px',
         borderStyle: 'solid',
         borderImage: 'initial',
-        borderColor: 'rgb(115, 103, 240)',
+        borderColor: `${theme.colors.primary}`,
       },
     };
   },
   menu: (styles: any) => {
     return {
       ...styles,
-      backgroundColor: mixin.darken('#262c49', 0.15),
+      backgroundColor: mixin.darken(theme.colors.bg.secondary, 0.15),
     };
   },
   dropdownIndicator: (styles: any) => ({ ...styles, color: '#c2c6dc', ':hover': { color: '#c2c6dc' } }),
@@ -167,11 +168,11 @@ const colourStyles = {
       cursor: isDisabled ? 'not-allowed' : 'default',
       ':active': {
         ...styles[':active'],
-        backgroundColor: !isDisabled && (isSelected ? mixin.darken('#262c49', 0.25) : '#fff'),
+        backgroundColor: !isDisabled && (isSelected ? mixin.darken(theme.colors.bg.secondary, 0.25) : '#fff'),
       },
       ':hover': {
         ...styles[':hover'],
-        backgroundColor: !isDisabled && (isSelected ? 'rgb(115, 103, 240)' : 'rgb(115, 103, 240)'),
+        backgroundColor: !isDisabled && (isSelected ? theme.colors.primary : theme.colors.primary),
       },
     };
   },
@@ -209,8 +210,8 @@ const CreateButton = styled.button`
 
   &:hover {
     color: #fff;
-    background: rgb(115, 103, 240);
-    border-color: rgb(115, 103, 240);
+    background: ${props => props.theme.colors.primary};
+    border-color: ${props => props.theme.colors.primary};
   }
 `;
 type NewProjectProps = {
diff --git a/frontend/src/shared/components/NotifcationPopup/index.tsx b/frontend/src/shared/components/NotifcationPopup/index.tsx
index 2b2090f..0d31d0e 100644
--- a/frontend/src/shared/components/NotifcationPopup/index.tsx
+++ b/frontend/src/shared/components/NotifcationPopup/index.tsx
@@ -37,7 +37,7 @@ const ItemTextContainer = styled.div`
 const ItemTextTitle = styled.span`
   font-weight: 500;
   display: block;
-  color: rgba(${props => props.theme.colors.primary});
+  color: ${props => props.theme.colors.primary};
   font-size: 14px;
 `;
 const ItemTextDesc = styled.span`
@@ -76,21 +76,21 @@ const NotificationHeader = styled.div`
   text-align: center;
   border-top-left-radius: 6px;
   border-top-right-radius: 6px;
-  background: rgba(${props => props.theme.colors.primary});
+  background: ${props => props.theme.colors.primary};
 `;
 
 const NotificationHeaderTitle = styled.span`
   font-size: 14px;
-  color: rgba(${props => props.theme.colors.text.secondary});
+  color: ${props => props.theme.colors.text.secondary};
 `;
 
 const NotificationFooter = styled.div`
   cursor: pointer;
   padding: 0.5rem;
   text-align: center;
-  color: rgba(${props => props.theme.colors.primary});
+  color: ${props => props.theme.colors.primary};
   &:hover {
-    background: #10163a;
+    background: ${props => props.theme.colors.bg.primary};
   }
   border-bottom-left-radius: 6px;
   border-bottom-right-radius: 6px;
diff --git a/frontend/src/shared/components/PopupMenu/LabelEditor.tsx b/frontend/src/shared/components/PopupMenu/LabelEditor.tsx
index 38092cc..72c64bc 100644
--- a/frontend/src/shared/components/PopupMenu/LabelEditor.tsx
+++ b/frontend/src/shared/components/PopupMenu/LabelEditor.tsx
@@ -4,7 +4,7 @@ import styled from 'styled-components';
 import { SaveButton, DeleteButton, LabelBox, EditLabelForm, FieldLabel, FieldName } from './Styles';
 
 const WhiteCheckmark = styled(Checkmark)`
-  fill: rgba(${props => props.theme.colors.text.secondary});
+  fill: ${props => props.theme.colors.text.secondary};
 `;
 type Props = {
   labelColors: Array<LabelColor>;
diff --git a/frontend/src/shared/components/PopupMenu/Styles.ts b/frontend/src/shared/components/PopupMenu/Styles.ts
index d781dda..e156f11 100644
--- a/frontend/src/shared/components/PopupMenu/Styles.ts
+++ b/frontend/src/shared/components/PopupMenu/Styles.ts
@@ -1,6 +1,7 @@
 import styled, { css } from 'styled-components';
 import { mixin } from 'shared/utils/styles';
 import ControlledInput from 'shared/components/ControlledInput';
+import theme from 'App/ThemeStyles';
 
 export const Container = styled.div<{
   invertY: boolean;
@@ -176,7 +177,7 @@ export const LabelIcon = styled.div`
   cursor: pointer;
 
   &:hover {
-    background: rgb(115, 103, 240);
+    background: ${props => props.theme.colors.primary};
   }
 `;
 
@@ -233,8 +234,8 @@ export const FieldName = styled.input`
   font-weight: 400;
 
   &:focus {
-    box-shadow: rgb(115, 103, 240) 0px 0px 0px 1px;
-    background: ${mixin.darken('#262c49', 0.15)};
+    box-shadow: ${props => props.theme.colors.primary} 0px 0px 0px 1px;
+    background: ${mixin.darken(theme.colors.bg.secondary, 0.15)};
   }
 `;
 
@@ -258,7 +259,7 @@ export const LabelBox = styled.span<{ color: string }>`
 `;
 
 export const SaveButton = styled.input`
-  background: rgb(115, 103, 240);
+  background: ${props => props.theme.colors.primary};
   box-shadow: none;
   border: none;
   color: #fff;
@@ -296,7 +297,7 @@ export const DeleteButton = styled.input`
 
   &:hover {
     color: #fff;
-    background: rgb(115, 103, 240);
+    background: ${props => props.theme.colors.primary};
     border-color: transparent;
   }
 `;
@@ -317,7 +318,7 @@ export const CreateLabelButton = styled.button`
   cursor: pointer;
 
   &:hover {
-    background: rgb(115, 103, 240);
+    background: ${props => props.theme.colors.primary};
   }
 `;
 
diff --git a/frontend/src/shared/components/PopupMenu/index.tsx b/frontend/src/shared/components/PopupMenu/index.tsx
index 8dce11f..48d4254 100644
--- a/frontend/src/shared/components/PopupMenu/index.tsx
+++ b/frontend/src/shared/components/PopupMenu/index.tsx
@@ -4,6 +4,7 @@ import useOnOutsideClick from 'shared/hooks/onOutsideClick';
 import { createPortal } from 'react-dom';
 import NOOP from 'shared/utils/noop';
 import produce from 'immer';
+import theme from 'App/ThemeStyles';
 import {
   Container,
   ContainerDiamond,
@@ -18,7 +19,7 @@ import {
 function getPopupOptions(options?: PopupOptions) {
   const popupOptions = {
     borders: true,
-    diamondColor: '#262c49',
+    diamondColor: theme.colors.bg.secondary,
     targetPadding: '10px',
     showDiamond: true,
     width: 316,
diff --git a/frontend/src/shared/components/ProjectSettings/index.tsx b/frontend/src/shared/components/ProjectSettings/index.tsx
index babb64c..2b253a9 100644
--- a/frontend/src/shared/components/ProjectSettings/index.tsx
+++ b/frontend/src/shared/components/ProjectSettings/index.tsx
@@ -24,7 +24,7 @@ export const ListActionItem = styled.span`
   margin: 0 -12px;
   text-decoration: none;
   &:hover {
-    background: rgb(115, 103, 240);
+    background: ${props => props.theme.colors.primary};
   }
 `;
 
diff --git a/frontend/src/shared/components/QuickCardEditor/Styles.ts b/frontend/src/shared/components/QuickCardEditor/Styles.ts
index 9248a6c..f6adbdb 100644
--- a/frontend/src/shared/components/QuickCardEditor/Styles.ts
+++ b/frontend/src/shared/components/QuickCardEditor/Styles.ts
@@ -1,6 +1,4 @@
 import styled, { keyframes, css } from 'styled-components';
-import TextareaAutosize from 'react-autosize-textarea';
-import { mixin } from 'shared/utils/styles';
 
 export const Wrapper = styled.div<{ open: boolean }>`
   background: rgba(0, 0, 0, 0.55);
@@ -30,7 +28,7 @@ export const Container = styled.div<{ fixed: boolean; width: number; top: number
 
 export const SaveButton = styled.button`
   cursor: pointer;
-  background: rgb(115, 103, 240);
+  background: ${props => props.theme.colors.primary};
   box-shadow: none;
   border: none;
   color: #fff;
diff --git a/frontend/src/shared/components/Register/Styles.ts b/frontend/src/shared/components/Register/Styles.ts
index b74ec6b..12dfd7e 100644
--- a/frontend/src/shared/components/Register/Styles.ts
+++ b/frontend/src/shared/components/Register/Styles.ts
@@ -1,5 +1,6 @@
 import styled from 'styled-components';
 import Button from 'shared/components/Button';
+import { mixin } from 'shared/utils/styles';
 
 export const Wrapper = styled.div`
   background: #eff2f7;
@@ -68,7 +69,7 @@ export const FormIcon = styled.div`
 
 export const FormError = styled.span`
   font-size: 0.875rem;
-  color: rgb(234, 84, 85);
+  color: ${props => props.theme.colors.danger};
 `;
 
 export const LoginButton = styled(Button)``;
@@ -99,5 +100,5 @@ export const LogoWrapper = styled.div`
   padding-bottom: 16px;
   margin-bottom: 24px;
   color: rgb(222, 235, 255);
-  border-bottom: 1px solid rgba(65, 69, 97, 0.65);
+  border-bottom: 1px solid ${props => mixin.rgba(props.theme.colors.alternate, 0.65)};
 `;
diff --git a/frontend/src/shared/components/Select/index.tsx b/frontend/src/shared/components/Select/index.tsx
index 994d49b..cbadef4 100644
--- a/frontend/src/shared/components/Select/index.tsx
+++ b/frontend/src/shared/components/Select/index.tsx
@@ -2,16 +2,17 @@ import React from 'react';
 import Select from 'react-select';
 import styled from 'styled-components';
 import { mixin } from 'shared/utils/styles';
+import theme from 'App/ThemeStyles';
 
 function getBackgroundColor(isDisabled: boolean, isSelected: boolean, isFocused: boolean) {
   if (isDisabled) {
     return null;
   }
   if (isSelected) {
-    return mixin.darken('#262c49', 0.25);
+    return mixin.darken(theme.colors.bg.secondary, 0.25);
   }
   if (isFocused) {
-    return mixin.darken('#262c49', 0.15);
+    return mixin.darken(theme.colors.bg.secondary, 0.15);
   }
   return null;
 }
@@ -20,35 +21,35 @@ export const colourStyles = {
   control: (styles: any, data: any) => {
     return {
       ...styles,
-      backgroundColor: data.isMenuOpen ? mixin.darken('#262c49', 0.15) : '#262c49',
-      boxShadow: data.menuIsOpen ? 'rgb(115, 103, 240) 0px 0px 0px 1px' : 'none',
+      backgroundColor: data.isMenuOpen ? mixin.darken(theme.colors.bg.secondary, 0.15) : theme.colors.bg.secondary,
+      boxShadow: data.menuIsOpen ? `${theme.colors.primary} 0px 0px 0px 1px` : 'none',
       borderRadius: '3px',
       borderWidth: '1px',
       borderStyle: 'solid',
       borderImage: 'initial',
-      borderColor: '#414561',
+      borderColor: theme.colors.alternate,
       ':hover': {
-        boxShadow: 'rgb(115, 103, 240) 0px 0px 0px 1px',
+        boxShadow: `${theme.colors.primary} 0px 0px 0px 1px`,
         borderRadius: '3px',
         borderWidth: '1px',
         borderStyle: 'solid',
         borderImage: 'initial',
-        borderColor: '#414561',
+        borderColor: theme.colors.alternate,
       },
       ':active': {
-        boxShadow: 'rgb(115, 103, 240) 0px 0px 0px 1px',
+        boxShadow: `${theme.colors.primary} 0px 0px 0px 1px`,
         borderRadius: '3px',
         borderWidth: '1px',
         borderStyle: 'solid',
         borderImage: 'initial',
-        borderColor: 'rgb(115, 103, 240)',
+        borderColor: `${theme.colors.primary}`,
       },
     };
   },
   menu: (styles: any) => {
     return {
       ...styles,
-      backgroundColor: mixin.darken('#262c49', 0.15),
+      backgroundColor: mixin.darken(theme.colors.bg.secondary, 0.15),
     };
   },
   dropdownIndicator: (styles: any) => ({ ...styles, color: '#c2c6dc', ':hover': { color: '#c2c6dc' } }),
@@ -61,11 +62,11 @@ export const colourStyles = {
       cursor: isDisabled ? 'not-allowed' : 'default',
       ':active': {
         ...styles[':active'],
-        backgroundColor: !isDisabled && (isSelected ? mixin.darken('#262c49', 0.25) : '#fff'),
+        backgroundColor: !isDisabled && (isSelected ? mixin.darken(theme.colors.bg.secondary, 0.25) : '#fff'),
       },
       ':hover': {
         ...styles[':hover'],
-        backgroundColor: !isDisabled && (isSelected ? 'rgb(115, 103, 240)' : 'rgb(115, 103, 240)'),
+        backgroundColor: !isDisabled && (isSelected ? theme.colors.primary : theme.colors.primary),
       },
     };
   },
@@ -86,7 +87,7 @@ export const colourStyles = {
 const InputLabel = styled.span<{ width: string }>`
 width: ${props => props.width};
 padding-left: 0.7rem;
-color: rgba(115, 103, 240);
+color: ${props => props.theme.colors.primary};
 left: 0;
 top: 0;
 transition: all 0.2s ease;
diff --git a/frontend/src/shared/components/Settings/index.tsx b/frontend/src/shared/components/Settings/index.tsx
index 4c5e5dd..87e1428 100644
--- a/frontend/src/shared/components/Settings/index.tsx
+++ b/frontend/src/shared/components/Settings/index.tsx
@@ -17,7 +17,7 @@ const UserInfoInput = styled(Input)`
 
 const FormError = styled.span`
   font-size: 12px;
-  color: rgba(${props => props.theme.colors.warning});
+  color: ${props => props.theme.colors.warning};
 `;
 
 const ProfileContainer = styled.div`
@@ -152,12 +152,12 @@ const TabNavItemButton = styled.button<{ active: boolean }>`
   width: 100%;
   position: relative;
 
-  color: ${props => (props.active ? 'rgba(115, 103, 240)' : '#c2c6dc')};
+  color: ${props => (props.active ? `${props.theme.colors.primary}` : '#c2c6dc')};
   &:hover {
-    color: rgba(115, 103, 240);
+    color: ${props => props.theme.colors.primary};
   }
   &:hover svg {
-    fill: rgba(115, 103, 240);
+    fill: ${props => props.theme.colors.primary};
   }
 `;
 
@@ -175,8 +175,8 @@ const TabNavLine = styled.span<{ top: number }>`
   transform: scaleX(1);
   top: ${props => props.top}px;
 
-  background: linear-gradient(30deg, rgba(115, 103, 240), rgba(115, 103, 240));
-  box-shadow: 0 0 8px 0 rgba(115, 103, 240);
+  background: linear-gradient(30deg, ${props => props.theme.colors.primary}, ${props => props.theme.colors.primary});
+  box-shadow: 0 0 8px 0 ${props => props.theme.colors.primary};
   display: block;
   position: absolute;
   transition: all 0.2s ease;
diff --git a/frontend/src/shared/components/TaskAssignee/index.tsx b/frontend/src/shared/components/TaskAssignee/index.tsx
index 60b5afc..787504c 100644
--- a/frontend/src/shared/components/TaskAssignee/index.tsx
+++ b/frontend/src/shared/components/TaskAssignee/index.tsx
@@ -36,7 +36,7 @@ export const Wrapper = styled.div<{
   display: flex;
   align-items: center;
   justify-content: center;
-  color: rgba(${props => (props.backgroundURL ? props.theme.colors.text.primary : '0,0,0')});
+  color: ${props => (props.backgroundURL ? props.theme.colors.text.primary : 'rgb(0,0,0)')};
   background: ${props => (props.backgroundURL ? `url(${props.backgroundURL})` : props.bgColor)};
   background-position: center;
   background-size: contain;
diff --git a/frontend/src/shared/components/TaskDetails/Styles.ts b/frontend/src/shared/components/TaskDetails/Styles.ts
index e2ab94c..406609f 100644
--- a/frontend/src/shared/components/TaskDetails/Styles.ts
+++ b/frontend/src/shared/components/TaskDetails/Styles.ts
@@ -3,8 +3,6 @@ import TextareaAutosize from 'react-autosize-textarea';
 import { mixin } from 'shared/utils/styles';
 import Button from 'shared/components/Button';
 import TaskAssignee from 'shared/components/TaskAssignee';
-import { User, Trash, Paperclip } from 'shared/icons';
-import Member from 'shared/components/Member';
 
 export const Container = styled.div`
   display: flex;
@@ -33,35 +31,35 @@ export const MarkCompleteButton = styled.button<{ invert: boolean }>`
   ${props =>
     props.invert
       ? css`
-          background: rgba(${props.theme.colors.success});
+          background: ${props.theme.colors.success};
           & svg {
-            fill: rgba(${props.theme.colors.text.secondary});
+            fill: ${props.theme.colors.text.secondary};
           }
           & span {
-            color: rgba(${props.theme.colors.text.secondary});
+            color: ${props.theme.colors.text.secondary};
           }
           &:hover {
-            background: rgba(${props.theme.colors.success}, 0.8);
+            background: ${mixin.rgba(props.theme.colors.success, 0.8)};
           }
         `
       : css`
           background: none;
-          border: 1px solid rgba(${props.theme.colors.text.secondary});
+          border: 1px solid ${props.theme.colors.text.secondary};
           & svg {
-            fill: rgba(${props.theme.colors.text.secondary});
+            fill: ${props.theme.colors.text.secondary};
           }
           & span {
-            color: rgba(${props.theme.colors.text.secondary});
+            color: ${props.theme.colors.text.secondary};
           }
           &:hover {
-            background: rgba(${props.theme.colors.success}, 0.08);
-            border: 1px solid rgba(${props.theme.colors.success});
+            background: ${mixin.rgba(props.theme.colors.success, 0.08)};
+            border: 1px solid ${props.theme.colors.success};
           }
           &:hover svg {
-            fill: rgba(${props.theme.colors.success});
+            fill: ${props.theme.colors.success};
           }
           &:hover span {
-            color: rgba(${props.theme.colors.success});
+            color: ${props.theme.colors.success};
           }
         `}
 `;
@@ -85,7 +83,7 @@ export const SidebarTitle = styled.div`
   font-size: 12px;
   min-height: 24px;
   margin-left: 8px;
-  color: rgba(${props => props.theme.colors.text.primary}, 0.75);
+  color: ${props => mixin.rgba(props.theme.colors.text.primary, 0.75)};
   padding-top: 4px;
   letter-spacing: 0.5px;
   text-transform: uppercase;
@@ -93,7 +91,7 @@ export const SidebarTitle = styled.div`
 
 export const SidebarButton = styled.div`
   font-size: 14px;
-  color: rgba(${props => props.theme.colors.text.primary});
+  color: ${props => props.theme.colors.text.primary};
   min-height: 32px;
   width: 100%;
 
@@ -168,7 +166,7 @@ export const TaskDetailsTitle = styled(TextareaAutosize)`
   }
 
   &:focus {
-    border-color: rgba(${props => props.theme.colors.primary});
+    border-color: ${props => props.theme.colors.primary};
   }
 `;
 
@@ -176,7 +174,7 @@ export const DueDateTitle = styled.div`
   font-size: 12px;
   min-height: 24px;
   margin-left: 8px;
-  color: rgba(${props => props.theme.colors.text.primary}, 0.75);
+  color: ${props => mixin.rgba(props.theme.colors.text.primary, 0.75)};
   padding-top: 8px;
   letter-spacing: 0.5px;
   text-transform: uppercase;
@@ -187,7 +185,7 @@ export const AssignedUsersSection = styled.div`
   padding-right: 32px;
   padding-top: 24px;
   padding-bottom: 24px;
-  border-bottom: 1px solid #414561;
+  border-bottom: 1px solid ${props => props.theme.colors.alternate};
   display: flex;
   flex-direction: column;
 `;
@@ -205,10 +203,10 @@ export const AssignUserIcon = styled.div`
   justify-content: center;
   align-items: center;
   &:hover {
-    border: 1px solid rgba(${props => props.theme.colors.text.secondary}, 0.75);
+    border: 1px solid ${props => mixin.rgba(props.theme.colors.text.secondary, 0.75)};
   }
   &:hover svg {
-    fill: rgba(${props => props.theme.colors.text.secondary}, 0.75);
+    fill: ${props => mixin.rgba(props.theme.colors.text.secondary, 0.75)};
   }
 `;
 
@@ -223,17 +221,17 @@ export const AssignUsersButton = styled.div`
   align-items: center;
   border: 1px solid transparent;
   &:hover {
-    border: 1px solid ${mixin.darken('#414561', 0.15)};
+    border: 1px solid ${props => mixin.darken(props.theme.colors.alternate, 0.15)};
   }
   &:hover ${AssignUserIcon} {
-    border: 1px solid #414561;
+    border: 1px solid ${props => props.theme.colors.alternate};
   }
 `;
 
 export const AssignUserLabel = styled.span`
   flex: 1 1 auto;
   line-height: 15px;
-  color: rgba(${props => props.theme.colors.text.primary}, 0.75);
+  color: ${props => mixin.rgba(props.theme.colors.text.primary, 0.75)};
 `;
 
 export const ExtraActionsSection = styled.div`
@@ -245,7 +243,7 @@ export const ExtraActionsSection = styled.div`
 `;
 
 export const ActionButtonsTitle = styled.h3`
-  color: rgba(${props => props.theme.colors.text.primary});
+  color: ${props => props.theme.colors.text.primary};
   font-size: 12px;
   font-weight: 500;
   letter-spacing: 0.04em;
@@ -255,7 +253,7 @@ export const ActionButton = styled(Button)`
   margin-top: 8px;
   margin-left: -10px;
   padding: 8px 16px;
-  background: rgba(${props => props.theme.colors.bg.primary}, 0.5);
+  background: ${props => mixin.rgba(props.theme.colors.bg.primary, 0.5)};
   text-align: left;
   transition: transform 0.2s ease;
   & span {
@@ -264,7 +262,7 @@ export const ActionButton = styled(Button)`
   &:hover {
     box-shadow: none;
     transform: translateX(4px);
-    background: rgba(${props => props.theme.colors.bg.primary}, 0.75);
+    background: ${props => mixin.rgba(props.theme.colors.bg.primary, 0.75)};
   }
 `;
 
@@ -283,10 +281,10 @@ export const HeaderActionIcon = styled.div`
 
   cursor: pointer;
   svg {
-    fill: rgba(${props => props.theme.colors.text.primary}, 0.75);
+    fill: ${props => mixin.rgba(props.theme.colors.text.primary, 0.75)};
   }
   &:hover svg {
-    fill: rgba(${props => props.theme.colors.primary});
+    fill: ${props => mixin.rgba(props.theme.colors.primary, 0.75)});
   }
 `;
 
@@ -343,7 +341,7 @@ export const MetaDetail = styled.div`
 `;
 
 export const MetaDetailTitle = styled.h3`
-  color: rgba(${props => props.theme.colors.text.primary});
+  color: ${props => props.theme.colors.text.primary};
   font-size: 12px;
   font-weight: 500;
   letter-spacing: 0.04em;
@@ -362,7 +360,7 @@ export const MetaDetailContent = styled.div`
 `;
 export const TaskDetailsAddLabel = styled.div`
   border-radius: 3px;
-  background: ${mixin.darken('#262c49', 0.15)};
+  background: ${props => mixin.darken(props.theme.colors.bg.secondary, 0.15)};
   cursor: pointer;
   &:hover {
     opacity: 0.8;
@@ -377,7 +375,7 @@ export const TaskDetailsAddLabelIcon = styled.div`
   align-items: center;
   justify-content: center;
   border-radius: 3px;
-  background: ${mixin.darken('#262c49', 0.15)};
+  background: ${props => mixin.darken(props.theme.colors.bg.secondary, 0.15)};
   cursor: pointer;
   &:hover {
     opacity: 0.8;
@@ -452,11 +450,11 @@ export const TabBarSection = styled.div`
 `;
 
 export const TabBarItem = styled.div`
-  box-shadow: inset 0 -2px rgba(216, 93, 216);
+  box-shadow: inset 0 -2px ${props => props.theme.colors.primary};
   padding: 12px 7px 14px 7px;
   margin-bottom: -1px;
   margin-right: 36px;
-  color: rgba(${props => props.theme.colors.text.primary});
+  color: ${props => props.theme.colors.text.primary};
 `;
 
 export const CommentContainer = styled.div`
@@ -491,7 +489,7 @@ export const CommentTextArea = styled(TextareaAutosize)`
   line-height: 28px;
   padding: 4px 6px;
   border-radius: 6px;
-  color: rgba(${props => props.theme.colors.text.primary});
+  color: ${props => props.theme.colors.text.primary};
   background: #1f243e;
   border: none;
   transition: max-height 200ms, height 200ms, min-height 200ms;
@@ -556,13 +554,13 @@ export const ActivityItemHeaderTitle = styled.div`
 `;
 
 export const ActivityItemHeaderTitleName = styled.span`
-  color: rgba(${props => props.theme.colors.text.primary});
+  color: ${props => props.theme.colors.text.primary};
   font-weight: 500;
 `;
 
 export const ActivityItemTimestamp = styled.span<{ margin: number }>`
   font-size: 12px;
-  color: rgba(${props => props.theme.colors.text.primary}, 0.65);
+  color: ${props => mixin.rgba(props.theme.colors.text.primary, 0.65)};
   margin-left: ${props => props.margin}px;
 `;
 
@@ -575,15 +573,15 @@ export const ActivityItemComment = styled.div`
   border-radius: 3px;
   ${mixin.boxShadowCard}
   position: relative;
-  color: rgba(${props => props.theme.colors.text.primary});
+  color: ${props => props.theme.colors.text.primary};
   padding: 8px 12px;
   margin: 4px 0;
-  background-color: ${mixin.darken('#262c49', 0.1)};
+  background-color: ${props => mixin.darken(props.theme.colors.alternate, 0.1)};
 `;
 
 export const ActivityItemLog = styled.span`
   margin-left: 2px;
-  color: rgba(${props => props.theme.colors.text.primary});
+  color: ${props => props.theme.colors.text.primary};
 `;
 
 export const ViewRawButton = styled.button`
@@ -594,9 +592,9 @@ export const ViewRawButton = styled.button`
   right: 4px;
   bottom: -24px;
   cursor: pointer;
-  color: rgba(${props => props.theme.colors.text.primary}, 0.25);
+  color: ${props => mixin.rgba(props.theme.colors.text.primary, 0.25)};
   &:hover {
-    color: rgba(${props => props.theme.colors.text.primary});
+    color: ${props => props.theme.colors.text.primary};
   }
 `;
 
diff --git a/frontend/src/shared/components/Textarea/index.tsx b/frontend/src/shared/components/Textarea/index.tsx
index eb5f7ce..a0455c5 100644
--- a/frontend/src/shared/components/Textarea/index.tsx
+++ b/frontend/src/shared/components/Textarea/index.tsx
@@ -24,7 +24,7 @@ const Textarea = styled(TextareaAutosize)`
   font-size: 20px;
   padding: 3px 10px 3px 8px;
   &:focus {
-    box-shadow: rgb(115, 103, 240) 0px 0px 0px 1px;
+    box-shadow: ${props => props.theme.colors.primary} 0px 0px 0px 1px;
   }
 `;
 
diff --git a/frontend/src/shared/components/TopNavbar/Styles.ts b/frontend/src/shared/components/TopNavbar/Styles.ts
index f5adc99..c9bd113 100644
--- a/frontend/src/shared/components/TopNavbar/Styles.ts
+++ b/frontend/src/shared/components/TopNavbar/Styles.ts
@@ -11,7 +11,8 @@ export const ProjectMember = styled(TaskAssignee)<{ zIndex: number }>`
   z-index: ${props => props.zIndex};
   position: relative;
 
-  box-shadow: 0 0 0 2px rgba(16, 22, 58), inset 0 0 0 1px rgba(16, 22, 58, 0.07);
+  box-shadow: 0 0 0 2px ${props => props.theme.colors.bg.primary},
+    inset 0 0 0 1px ${props => mixin.rgba(props.theme.colors.bg.primary, 0.07)};
 `;
 
 export const NavbarWrapper = styled.div`
@@ -28,9 +29,9 @@ export const NavbarHeader = styled.header`
   display: flex;
   align-items: center;
   justify-content: space-between;
-  background: rgb(16, 22, 58);
+  background: ${props => props.theme.colors.bg.primary};
   box-shadow: 0 4px 20px 0 rgba(0, 0, 0, 0.05);
-  border-bottom: 1px solid rgba(65, 69, 97, 0.65);
+  border-bottom: 1px solid ${props => mixin.rgba(props.theme.colors.alternate, 0.65)};
 `;
 export const Breadcrumbs = styled.div`
   color: rgb(94, 108, 132);
@@ -124,7 +125,7 @@ export const ProjectTabs = styled.div`
 
 export const ProjectTab = styled(NavLink)`
   font-size: 80%;
-  color: rgba(${props => props.theme.colors.text.primary});
+  color: ${props => props.theme.colors.text.primary};
   font-size: 15px;
   cursor: pointer;
   display: flex;
@@ -141,22 +142,22 @@ export const ProjectTab = styled(NavLink)`
   }
 
   &:hover {
-    box-shadow: inset 0 -2px rgba(${props => props.theme.colors.text.secondary});
-    color: rgba(${props => props.theme.colors.text.secondary});
+    box-shadow: inset 0 -2px ${props => props.theme.colors.text.secondary};
+    color: ${props => props.theme.colors.text.secondary};
   }
 
   &.active {
-    box-shadow: inset 0 -2px rgba(${props => props.theme.colors.secondary});
-    color: rgba(${props => props.theme.colors.secondary});
+    box-shadow: inset 0 -2px ${props => props.theme.colors.secondary};
+    color: ${props => props.theme.colors.secondary};
   }
   &.active:hover {
-    box-shadow: inset 0 -2px rgba(${props => props.theme.colors.secondary});
-    color: rgba(${props => props.theme.colors.secondary});
+    box-shadow: inset 0 -2px ${props => props.theme.colors.secondary};
+    color: ${props => props.theme.colors.secondary};
   }
 `;
 
 export const ProjectName = styled.h1`
-  color: rgba(${props => props.theme.colors.text.primary});
+  color: ${props => props.theme.colors.text.primary};
   font-weight: 600;
   font-size: 20px;
   padding: 3px 10px 3px 8px;
@@ -185,7 +186,7 @@ export const ProjectNameTextarea = styled(TextareaAutosize)`
   font-size: 20px;
   padding: 3px 10px 3px 8px;
   &:focus {
-    box-shadow: rgb(115, 103, 240) 0px 0px 0px 1px;
+    box-shadow: ${props => props.theme.colors.primary} 0px 0px 0px 1px;
   }
 `;
 
@@ -203,7 +204,7 @@ export const ProjectSwitcher = styled.button`
   color: #c2c6dc;
   cursor: pointer;
   &:hover {
-    background: rgb(115, 103, 240);
+    background: ${props => props.theme.colors.primary};
   }
 `;
 
@@ -227,7 +228,7 @@ export const ProjectSettingsButton = styled.button`
   justify-content: center;
   cursor: pointer;
   &:hover {
-    background: rgb(115, 103, 240);
+    background: ${props => props.theme.colors.primary};
   }
 `;
 
@@ -243,7 +244,7 @@ export const ProjectFinder = styled(Button)`
 
 export const NavSeparator = styled.div`
   width: 1px;
-  background: rgba(${props => props.theme.colors.border});
+  background: ${props => props.theme.colors.border};
   height: 34px;
   margin: 0 20px;
 `;
@@ -260,11 +261,11 @@ export const LogoContainer = styled(Link)`
 
 export const TaskcafeTitle = styled.h2`
   margin-left: 5px;
-  color: rgba(${props => props.theme.colors.text.primary});
+  color: ${props => props.theme.colors.text.primary};
   font-size: 20px;
 `;
 
 export const TaskcafeLogo = styled(Taskcafe)`
-  fill: rgba(${props => props.theme.colors.text.primary});
-  stroke: rgba(${props => props.theme.colors.text.primary});
+  fill: ${props => props.theme.colors.text.primary};
+  stroke: ${props => props.theme.colors.text.primary};
 `;
diff --git a/frontend/src/shared/components/TopNavbar/TopNavbar.stories.tsx b/frontend/src/shared/components/TopNavbar/TopNavbar.stories.tsx
index 22f6bb2..10a73fa 100644
--- a/frontend/src/shared/components/TopNavbar/TopNavbar.stories.tsx
+++ b/frontend/src/shared/components/TopNavbar/TopNavbar.stories.tsx
@@ -2,8 +2,8 @@ import React, { useState } from 'react';
 import NormalizeStyles from 'App/NormalizeStyles';
 import BaseStyles from 'App/BaseStyles';
 import { action } from '@storybook/addon-actions';
-import DropdownMenu from 'shared/components/DropdownMenu';
 import TopNavbar from '.';
+import theme from '../../../App/ThemeStyles';
 
 export default {
   component: TopNavbar,
@@ -15,7 +15,7 @@ export default {
     backgrounds: [
       { name: 'white', value: '#ffffff' },
       { name: 'gray', value: '#f8f8f8' },
-      { name: 'darkBlue', value: '#262c49', default: true },
+      { name: 'darkBlue', value: theme.colors.bg.secondary, default: true },
     ],
   },
 };
diff --git a/frontend/src/shared/icons/Icon.tsx b/frontend/src/shared/icons/Icon.tsx
index ffa47de..fb474c2 100644
--- a/frontend/src/shared/icons/Icon.tsx
+++ b/frontend/src/shared/icons/Icon.tsx
@@ -17,8 +17,8 @@ type Props = {
 };
 
 const Svg = styled.svg`
-  fill: rgba(${props => props.theme.colors.text.primary});
-  stroke: rgba(${props => props.theme.colors.text.primary});
+  fill: ${props => props.theme.colors.text.primary};
+  stroke: ${props => props.theme.colors.text.primary};
 `;
 
 const Icon: React.FC<Props> = ({ width, height, viewBox, className, onClick, children }) => {
diff --git a/frontend/src/styled.d.ts b/frontend/src/styled.d.ts
index 6012716..8573632 100644
--- a/frontend/src/styled.d.ts
+++ b/frontend/src/styled.d.ts
@@ -10,6 +10,7 @@ declare module 'styled-components' {
     };
     colors: {
       [key: string]: any;
+      multiColors: string[];
       primary: string;
       secondary: string;
       success: string;