diff --git a/src/components/Sidebar/index.tsx b/src/components/Sidebar/index.tsx
index 77db53e..5398153 100644
--- a/src/components/Sidebar/index.tsx
+++ b/src/components/Sidebar/index.tsx
@@ -2,6 +2,7 @@ import Icon from '@/assets/Icon'
 import Logo from '@/assets/Logo'
 import { cn } from '@/lib/utils'
 import { useScreenSize } from '@/providers/ScreenSizeProvider'
+import { useTheme } from '@/providers/ThemeProvider'
 import { useUserPreferences } from '@/providers/UserPreferencesProvider'
 import { ChevronsLeft, ChevronsRight } from 'lucide-react'
 import AccountButton from './AccountButton'
@@ -15,6 +16,7 @@ import SettingsButton from './SettingsButton'
 
 export default function PrimaryPageSidebar() {
   const { isSmallScreen } = useScreenSize()
+  const { themeSetting } = useTheme()
   const { sidebarCollapse, updateSidebarCollapse } = useUserPreferences()
 
   if (isSmallScreen) return null
@@ -46,7 +48,10 @@ export default function PrimaryPageSidebar() {
       </div>
       <AccountButton collapse={sidebarCollapse} />
       <button
-        className="absolute flex flex-col justify-center items-center top-5 right-0 w-5 h-6 p-0 rounded-l-md hover:shadow-md text-muted-foreground hover:text-foreground hover:bg-background transition-colors [&_svg]:size-4"
+        className={cn(
+          'absolute flex flex-col justify-center items-center right-0 w-5 h-6 p-0 rounded-l-md hover:shadow-md text-muted-foreground hover:text-foreground hover:bg-background transition-colors [&_svg]:size-4',
+          themeSetting === 'pure-black' ? 'top-3' : 'top-5'
+        )}
         onClick={(e) => {
           e.stopPropagation()
           updateSidebarCollapse(!sidebarCollapse)
diff --git a/src/constants.ts b/src/constants.ts
index 5b7b46f..4888cff 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -49,6 +49,7 @@ export const StorageKey = {
   MEDIA_AUTO_LOAD_POLICY: 'mediaAutoLoadPolicy',
   SHOWN_CREATE_WALLET_GUIDE_TOAST_PUBKEYS: 'shownCreateWalletGuideToastPubkeys',
   SIDEBAR_COLLAPSE: 'sidebarCollapse',
+  PRIMARY_COLOR: 'primaryColor',
   MEDIA_UPLOAD_SERVICE: 'mediaUploadService', // deprecated
   HIDE_UNTRUSTED_EVENTS: 'hideUntrustedEvents', // deprecated
   ACCOUNT_RELAY_LIST_EVENT_MAP: 'accountRelayListEventMap', // deprecated
@@ -156,3 +157,241 @@ export const MEDIA_AUTO_LOAD_POLICY = {
 } as const
 
 export const MAX_PINNED_NOTES = 10
+
+export const PRIMARY_COLORS = {
+  DEFAULT: {
+    name: 'Default',
+    light: {
+      primary: '259 43% 56%',
+      'primary-hover': '259 43% 65%',
+      'primary-foreground': '0 0% 98%'
+    },
+    dark: {
+      primary: '259 43% 56%',
+      'primary-hover': '259 43% 65%',
+      'primary-foreground': '240 5.9% 10%'
+    }
+  },
+  RED: {
+    name: 'Red',
+    light: {
+      primary: '0 65% 55%',
+      'primary-hover': '0 65% 65%',
+      'primary-foreground': '0 0% 98%'
+    },
+    dark: {
+      primary: '0 65% 55%',
+      'primary-hover': '0 65% 65%',
+      'primary-foreground': '240 5.9% 10%'
+    }
+  },
+  ORANGE: {
+    name: 'Orange',
+    light: {
+      primary: '30 100% 50%',
+      'primary-hover': '30 100% 60%',
+      'primary-foreground': '0 0% 98%'
+    },
+    dark: {
+      primary: '30 100% 50%',
+      'primary-hover': '30 100% 60%',
+      'primary-foreground': '240 5.9% 10%'
+    }
+  },
+  AMBER: {
+    name: 'Amber',
+    light: {
+      primary: '42 100% 50%',
+      'primary-hover': '42 100% 60%',
+      'primary-foreground': '0 0% 98%'
+    },
+    dark: {
+      primary: '42 100% 50%',
+      'primary-hover': '42 100% 60%',
+      'primary-foreground': '240 5.9% 10%'
+    }
+  },
+  YELLOW: {
+    name: 'Yellow',
+    light: {
+      primary: '54 100% 50%',
+      'primary-hover': '54 100% 60%',
+      'primary-foreground': '0 0% 10%'
+    },
+    dark: {
+      primary: '54 100% 50%',
+      'primary-hover': '54 100% 60%',
+      'primary-foreground': '240 5.9% 10%'
+    }
+  },
+  LIME: {
+    name: 'Lime',
+    light: {
+      primary: '90 60% 50%',
+      'primary-hover': '90 60% 60%',
+      'primary-foreground': '0 0% 98%'
+    },
+    dark: {
+      primary: '90 60% 50%',
+      'primary-hover': '90 60% 60%',
+      'primary-foreground': '240 5.9% 10%'
+    }
+  },
+  GREEN: {
+    name: 'Green',
+    light: {
+      primary: '140 60% 40%',
+      'primary-hover': '140 60% 50%',
+      'primary-foreground': '0 0% 98%'
+    },
+    dark: {
+      primary: '140 60% 40%',
+      'primary-hover': '140 60% 50%',
+      'primary-foreground': '240 5.9% 10%'
+    }
+  },
+  EMERALD: {
+    name: 'Emerald',
+    light: {
+      primary: '160 70% 40%',
+      'primary-hover': '160 70% 50%',
+      'primary-foreground': '0 0% 98%'
+    },
+    dark: {
+      primary: '160 70% 40%',
+      'primary-hover': '160 70% 50%',
+      'primary-foreground': '240 5.9% 10%'
+    }
+  },
+  TEAL: {
+    name: 'Teal',
+    light: {
+      primary: '180 70% 40%',
+      'primary-hover': '180 70% 50%',
+      'primary-foreground': '0 0% 98%'
+    },
+    dark: {
+      primary: '180 70% 40%',
+      'primary-hover': '180 70% 50%',
+      'primary-foreground': '240 5.9% 10%'
+    }
+  },
+  CYAN: {
+    name: 'Cyan',
+    light: {
+      primary: '200 70% 40%',
+      'primary-hover': '200 70% 50%',
+      'primary-foreground': '0 0% 98%'
+    },
+    dark: {
+      primary: '200 70% 40%',
+      'primary-hover': '200 70% 50%',
+      'primary-foreground': '240 5.9% 10%'
+    }
+  },
+  SKY: {
+    name: 'Sky',
+    light: {
+      primary: '210 70% 50%',
+      'primary-hover': '210 70% 60%',
+      'primary-foreground': '0 0% 98%'
+    },
+    dark: {
+      primary: '210 70% 50%',
+      'primary-hover': '210 70% 60%',
+      'primary-foreground': '240 5.9% 10%'
+    }
+  },
+  BLUE: {
+    name: 'Blue',
+    light: {
+      primary: '220 80% 50%',
+      'primary-hover': '220 80% 60%',
+      'primary-foreground': '0 0% 98%'
+    },
+    dark: {
+      primary: '220 80% 50%',
+      'primary-hover': '220 80% 60%',
+      'primary-foreground': '240 5.9% 10%'
+    }
+  },
+  INDIGO: {
+    name: 'Indigo',
+    light: {
+      primary: '230 80% 50%',
+      'primary-hover': '230 80% 60%',
+      'primary-foreground': '0 0% 98%'
+    },
+    dark: {
+      primary: '230 80% 50%',
+      'primary-hover': '230 80% 60%',
+      'primary-foreground': '240 5.9% 10%'
+    }
+  },
+  VIOLET: {
+    name: 'Violet',
+    light: {
+      primary: '250 80% 50%',
+      'primary-hover': '250 80% 60%',
+      'primary-foreground': '0 0% 98%'
+    },
+    dark: {
+      primary: '250 80% 50%',
+      'primary-hover': '250 80% 60%',
+      'primary-foreground': '240 5.9% 10%'
+    }
+  },
+  PURPLE: {
+    name: 'Purple',
+    light: {
+      primary: '280 80% 50%',
+      'primary-hover': '280 80% 60%',
+      'primary-foreground': '0 0% 98%'
+    },
+    dark: {
+      primary: '280 80% 50%',
+      'primary-hover': '280 80% 60%',
+      'primary-foreground': '240 5.9% 10%'
+    }
+  },
+  FUCHSIA: {
+    name: 'Fuchsia',
+    light: {
+      primary: '310 80% 50%',
+      'primary-hover': '310 80% 60%',
+      'primary-foreground': '0 0% 98%'
+    },
+    dark: {
+      primary: '310 80% 50%',
+      'primary-hover': '310 80% 60%',
+      'primary-foreground': '240 5.9% 10%'
+    }
+  },
+  PINK: {
+    name: 'Pink',
+    light: {
+      primary: '330 80% 60%',
+      'primary-hover': '330 80% 70%',
+      'primary-foreground': '0 0% 10%'
+    },
+    dark: {
+      primary: '330 80% 60%',
+      'primary-hover': '330 80% 70%',
+      'primary-foreground': '240 5.9% 10%'
+    }
+  },
+  ROSE: {
+    name: 'Rose',
+    light: {
+      primary: '350 80% 60%',
+      'primary-hover': '350 80% 70%',
+      'primary-foreground': '0 0% 10%'
+    },
+    dark: {
+      primary: '350 80% 60%',
+      'primary-hover': '350 80% 70%',
+      'primary-foreground': '240 5.9% 10%'
+    }
+  }
+} as const
+export type TPrimaryColor = keyof typeof PRIMARY_COLORS
diff --git a/src/i18n/locales/ar.ts b/src/i18n/locales/ar.ts
index 28e5658..16ba402 100644
--- a/src/i18n/locales/ar.ts
+++ b/src/i18n/locales/ar.ts
@@ -457,6 +457,25 @@ export default {
     'Unpin from profile': 'إلغاء التثبيت من الملف الشخصي',
     'Pin to profile': 'تثبيت في الملف الشخصي',
     Appearance: 'المظهر',
-    'Pure Black': 'أسود نقي'
+    'Pure Black': 'أسود نقي',
+    Default: 'افتراضي',
+    Red: 'أحمر',
+    Orange: 'برتقالي',
+    Amber: 'عنبر',
+    Yellow: 'أصفر',
+    Lime: 'ليموني',
+    Green: 'أخضر',
+    Emerald: 'زمردي',
+    Teal: 'أزرق مخضر',
+    Cyan: 'سماوي',
+    Sky: 'سماء',
+    Blue: 'أزرق',
+    Indigo: 'نيلي',
+    Violet: 'بنفسجي',
+    Purple: 'أرجواني',
+    Fuchsia: 'فوشيا',
+    Pink: 'وردي',
+    Rose: 'وردة',
+    'Primary color': 'اللون الأساسي'
   }
 }
diff --git a/src/i18n/locales/de.ts b/src/i18n/locales/de.ts
index cd2a2ce..56ae1c2 100644
--- a/src/i18n/locales/de.ts
+++ b/src/i18n/locales/de.ts
@@ -471,6 +471,25 @@ export default {
     'Unpin from profile': 'Vom Profil lösen',
     'Pin to profile': 'An Profil anheften',
     Appearance: 'Aussehen',
-    'Pure Black': 'Reines Schwarz'
+    'Pure Black': 'Reines Schwarz',
+    Default: 'Standard',
+    Red: 'Rot',
+    Orange: 'Orange',
+    Amber: 'Bernstein',
+    Yellow: 'Gelb',
+    Lime: 'Limette',
+    Green: 'Grün',
+    Emerald: 'Smaragd',
+    Teal: 'Blaugrün',
+    Cyan: 'Cyan',
+    Sky: 'Himmelblau',
+    Blue: 'Blau',
+    Indigo: 'Indigo',
+    Violet: 'Violett',
+    Purple: 'Lila',
+    Fuchsia: 'Fuchsia',
+    Pink: 'Rosa',
+    Rose: 'Rose',
+    'Primary color': 'Primärfarbe'
   }
 }
diff --git a/src/i18n/locales/en.ts b/src/i18n/locales/en.ts
index f0205c4..6524412 100644
--- a/src/i18n/locales/en.ts
+++ b/src/i18n/locales/en.ts
@@ -456,6 +456,25 @@ export default {
     'Unpin from profile': 'Unpin from profile',
     'Pin to profile': 'Pin to profile',
     Appearance: 'Appearance',
-    'Pure Black': 'Pure Black'
+    'Pure Black': 'Pure Black',
+    Default: 'Default',
+    Red: 'Red',
+    Orange: 'Orange',
+    Amber: 'Amber',
+    Yellow: 'Yellow',
+    Lime: 'Lime',
+    Green: 'Green',
+    Emerald: 'Emerald',
+    Teal: 'Teal',
+    Cyan: 'Cyan',
+    Sky: 'Sky',
+    Blue: 'Blue',
+    Indigo: 'Indigo',
+    Violet: 'Violet',
+    Purple: 'Purple',
+    Fuchsia: 'Fuchsia',
+    Pink: 'Pink',
+    Rose: 'Rose',
+    'Primary color': 'Primary color'
   }
 }
diff --git a/src/i18n/locales/es.ts b/src/i18n/locales/es.ts
index 93bdaae..9bfd986 100644
--- a/src/i18n/locales/es.ts
+++ b/src/i18n/locales/es.ts
@@ -465,6 +465,25 @@ export default {
     'Unpin from profile': 'Desfijar del perfil',
     'Pin to profile': 'Fijar al perfil',
     Appearance: 'Apariencia',
-    'Pure Black': 'Negro Puro'
+    'Pure Black': 'Negro Puro',
+    Default: 'Predeterminado',
+    Red: 'Rojo',
+    Orange: 'Naranja',
+    Amber: 'Ámbar',
+    Yellow: 'Amarillo',
+    Lime: 'Lima',
+    Green: 'Verde',
+    Emerald: 'Esmeralda',
+    Teal: 'Verde azulado',
+    Cyan: 'Cian',
+    Sky: 'Cielo',
+    Blue: 'Azul',
+    Indigo: 'Índigo',
+    Violet: 'Violeta',
+    Purple: 'Púrpura',
+    Fuchsia: 'Fucsia',
+    Pink: 'Rosa',
+    Rose: 'Rosa',
+    'Primary color': 'Color primario'
   }
 }
diff --git a/src/i18n/locales/fa.ts b/src/i18n/locales/fa.ts
index 09a7638..d0869dd 100644
--- a/src/i18n/locales/fa.ts
+++ b/src/i18n/locales/fa.ts
@@ -460,6 +460,25 @@ export default {
     'Unpin from profile': 'لغو پین از پروفایل',
     'Pin to profile': 'پین به پروفایل',
     Appearance: 'ظاهر',
-    'Pure Black': 'سیاه خالص'
+    'Pure Black': 'سیاه خالص',
+    Default: 'پیش‌فرض',
+    Red: 'قرمز',
+    Orange: 'نارنجی',
+    Amber: 'کهربایی',
+    Yellow: 'زرد',
+    Lime: 'لیمویی',
+    Green: 'سبز',
+    Emerald: 'زمردی',
+    Teal: 'سبز آبی',
+    Cyan: 'فیروزه‌ای',
+    Sky: 'آسمانی',
+    Blue: 'آبی',
+    Indigo: 'نیلی',
+    Violet: 'بنفش',
+    Purple: 'ارغوانی',
+    Fuchsia: 'فوشیا',
+    Pink: 'صورتی',
+    Rose: 'گلی',
+    'Primary color': 'رنگ اصلی'
   }
 }
diff --git a/src/i18n/locales/fr.ts b/src/i18n/locales/fr.ts
index 38577d5..b123a64 100644
--- a/src/i18n/locales/fr.ts
+++ b/src/i18n/locales/fr.ts
@@ -470,6 +470,25 @@ export default {
     'Unpin from profile': 'Retirer l’épingle du profil',
     'Pin to profile': 'Épingler au profil',
     Appearance: 'Apparence',
-    'Pure Black': 'Noir pur'
+    'Pure Black': 'Noir pur',
+    Default: 'Par défaut',
+    Red: 'Rouge',
+    Orange: 'Orange',
+    Amber: 'Ambre',
+    Yellow: 'Jaune',
+    Lime: 'Citron vert',
+    Green: 'Vert',
+    Emerald: 'Émeraude',
+    Teal: 'Sarcelle',
+    Cyan: 'Cyan',
+    Sky: 'Bleu ciel',
+    Blue: 'Bleu',
+    Indigo: 'Indigo',
+    Violet: 'Violet',
+    Purple: 'Pourpre',
+    Fuchsia: 'Fuchsia',
+    Pink: 'Rose',
+    Rose: 'Rose',
+    'Primary color': 'Couleur principale'
   }
 }
diff --git a/src/i18n/locales/hi.ts b/src/i18n/locales/hi.ts
index 82b989f..87da19a 100644
--- a/src/i18n/locales/hi.ts
+++ b/src/i18n/locales/hi.ts
@@ -462,6 +462,25 @@ export default {
     'Unpin from profile': 'प्रोफ़ाइल से पिन हटाएं',
     'Pin to profile': 'प्रोफ़ाइल पर पिन करें',
     Appearance: 'दिखावट',
-    'Pure Black': 'शुद्ध काला'
+    'Pure Black': 'शुद्ध काला',
+    Default: 'डिफ़ॉल्ट',
+    Red: 'लाल',
+    Orange: 'नारंगी',
+    Amber: 'एम्बर',
+    Yellow: 'पीला',
+    Lime: 'नींबू',
+    Green: 'हरा',
+    Emerald: 'पन्ना',
+    Teal: 'टील',
+    Cyan: 'सियान',
+    Sky: 'आसमानी',
+    Blue: 'नीला',
+    Indigo: 'नील',
+    Violet: 'बैंगनी',
+    Purple: 'जामुनी',
+    Fuchsia: 'फुशिया',
+    Pink: 'गुलाबी',
+    Rose: 'गुलाब',
+    'Primary color': 'प्राथमिक रंग'
   }
 }
diff --git a/src/i18n/locales/it.ts b/src/i18n/locales/it.ts
index 02cd67e..7d89a8e 100644
--- a/src/i18n/locales/it.ts
+++ b/src/i18n/locales/it.ts
@@ -465,6 +465,25 @@ export default {
     'Unpin from profile': 'Rimuovi fissaggio dal profilo',
     'Pin to profile': 'Fissa al profilo',
     Appearance: 'Aspetto',
-    'Pure Black': 'Nero Puro'
+    'Pure Black': 'Nero Puro',
+    Default: 'Predefinito',
+    Red: 'Rosso',
+    Orange: 'Arancione',
+    Amber: 'Ambra',
+    Yellow: 'Giallo',
+    Lime: 'Lime',
+    Green: 'Verde',
+    Emerald: 'Smeraldo',
+    Teal: 'Turchese',
+    Cyan: 'Ciano',
+    Sky: 'Cielo',
+    Blue: 'Blu',
+    Indigo: 'Indaco',
+    Violet: 'Viola',
+    Purple: 'Porpora',
+    Fuchsia: 'Fucsia',
+    Pink: 'Rosa',
+    Rose: 'Rosa',
+    'Primary color': 'Colore primario'
   }
 }
diff --git a/src/i18n/locales/ja.ts b/src/i18n/locales/ja.ts
index 83d0485..683b768 100644
--- a/src/i18n/locales/ja.ts
+++ b/src/i18n/locales/ja.ts
@@ -461,6 +461,25 @@ export default {
     'Unpin from profile': 'プロフィールから固定解除',
     'Pin to profile': 'プロフィールに固定',
     Appearance: '外観',
-    'Pure Black': '純黒'
+    'Pure Black': '純黒',
+    Default: 'デフォルト',
+    Red: '赤',
+    Orange: 'オレンジ',
+    Amber: 'アンバー',
+    Yellow: '黄色',
+    Lime: 'ライム',
+    Green: '緑',
+    Emerald: 'エメラルド',
+    Teal: 'ティール',
+    Cyan: 'シアン',
+    Sky: 'スカイ',
+    Blue: '青',
+    Indigo: 'インディゴ',
+    Violet: 'バイオレット',
+    Purple: '紫',
+    Fuchsia: 'フクシア',
+    Pink: 'ピンク',
+    Rose: 'ローズ',
+    'Primary color': '主要な色'
   }
 }
diff --git a/src/i18n/locales/ko.ts b/src/i18n/locales/ko.ts
index b784260..864875d 100644
--- a/src/i18n/locales/ko.ts
+++ b/src/i18n/locales/ko.ts
@@ -461,6 +461,25 @@ export default {
     'Unpin from profile': '프로필에서 고정 해제',
     'Pin to profile': '프로필에 고정',
     Appearance: '외관',
-    'Pure Black': '순수한 검은색'
+    'Pure Black': '순수한 검은색',
+    Default: '기본',
+    Red: '빨강',
+    Orange: '주황',
+    Amber: '호박색',
+    Yellow: '노랑',
+    Lime: '라임',
+    Green: '초록',
+    Emerald: '에메랄드',
+    Teal: '청록',
+    Cyan: '시안',
+    Sky: '하늘색',
+    Blue: '파랑',
+    Indigo: '남색',
+    Violet: '보라',
+    Purple: '자주',
+    Fuchsia: '자홍',
+    Pink: '분홍',
+    Rose: '장미',
+    'Primary color': '기본 색상'
   }
 }
diff --git a/src/i18n/locales/pl.ts b/src/i18n/locales/pl.ts
index 3cc8fc2..4b3f16e 100644
--- a/src/i18n/locales/pl.ts
+++ b/src/i18n/locales/pl.ts
@@ -465,6 +465,25 @@ export default {
     'Unpin from profile': 'Odpiń z profilu',
     'Pin to profile': 'Przypnij do profilu',
     Appearance: 'Wygląd',
-    'Pure Black': 'Czysta Czerń'
+    'Pure Black': 'Czysta Czerń',
+    Default: 'Domyślny',
+    Red: 'Czerwony',
+    Orange: 'Pomarańczowy',
+    Amber: 'Bursztynowy',
+    Yellow: 'Żółty',
+    Lime: 'Limonkowy',
+    Green: 'Zielony',
+    Emerald: 'Szmaragdowy',
+    Teal: 'Morski',
+    Cyan: 'Cyjan',
+    Sky: 'Niebieski',
+    Blue: 'Niebieski',
+    Indigo: 'Indygo',
+    Violet: 'Fioletowy',
+    Purple: 'Purpurowy',
+    Fuchsia: 'Fuksja',
+    Pink: 'Różowy',
+    Rose: 'Różany',
+    'Primary color': 'Kolor podstawowy'
   }
 }
diff --git a/src/i18n/locales/pt-BR.ts b/src/i18n/locales/pt-BR.ts
index 023855a..6dcaa99 100644
--- a/src/i18n/locales/pt-BR.ts
+++ b/src/i18n/locales/pt-BR.ts
@@ -462,6 +462,25 @@ export default {
     'Unpin from profile': 'Desafixar do perfil',
     'Pin to profile': 'Fixar no perfil',
     Appearance: 'Aparência',
-    'Pure Black': 'Preto Puro'
+    'Pure Black': 'Preto Puro',
+    Default: 'Padrão',
+    Red: 'Vermelho',
+    Orange: 'Laranja',
+    Amber: 'Âmbar',
+    Yellow: 'Amarelo',
+    Lime: 'Lima',
+    Green: 'Verde',
+    Emerald: 'Esmeralda',
+    Teal: 'Turquesa',
+    Cyan: 'Ciano',
+    Sky: 'Céu',
+    Blue: 'Azul',
+    Indigo: 'Índigo',
+    Violet: 'Violeta',
+    Purple: 'Roxo',
+    Fuchsia: 'Fúcsia',
+    Pink: 'Rosa',
+    Rose: 'Rosa',
+    'Primary color': 'Cor primária'
   }
 }
diff --git a/src/i18n/locales/pt-PT.ts b/src/i18n/locales/pt-PT.ts
index a581ed3..223de30 100644
--- a/src/i18n/locales/pt-PT.ts
+++ b/src/i18n/locales/pt-PT.ts
@@ -465,6 +465,25 @@ export default {
     'Unpin from profile': 'Desafixar do perfil',
     'Pin to profile': 'Fixar no perfil',
     Appearance: 'Aparência',
-    'Pure Black': 'Preto Puro'
+    'Pure Black': 'Preto Puro',
+    Default: 'Padrão',
+    Red: 'Vermelho',
+    Orange: 'Laranja',
+    Amber: 'Âmbar',
+    Yellow: 'Amarelo',
+    Lime: 'Lima',
+    Green: 'Verde',
+    Emerald: 'Esmeralda',
+    Teal: 'Turquesa',
+    Cyan: 'Ciano',
+    Sky: 'Céu',
+    Blue: 'Azul',
+    Indigo: 'Índigo',
+    Violet: 'Violeta',
+    Purple: 'Roxo',
+    Fuchsia: 'Fúcsia',
+    Pink: 'Rosa',
+    Rose: 'Rosa',
+    'Primary color': 'Cor primária'
   }
 }
diff --git a/src/i18n/locales/ru.ts b/src/i18n/locales/ru.ts
index 0a0ffa6..33b0d11 100644
--- a/src/i18n/locales/ru.ts
+++ b/src/i18n/locales/ru.ts
@@ -467,6 +467,25 @@ export default {
     'Unpin from profile': 'Открепить из профиля',
     'Pin to profile': 'Закрепить в профиле',
     Appearance: 'Внешний вид',
-    'Pure Black': 'Чистый Черный'
+    'Pure Black': 'Чистый Черный',
+    Default: 'По умолчанию',
+    Red: 'Красный',
+    Orange: 'Оранжевый',
+    Amber: 'Янтарный',
+    Yellow: 'Желтый',
+    Lime: 'Лаймовый',
+    Green: 'Зеленый',
+    Emerald: 'Изумрудный',
+    Teal: 'Бирюзовый',
+    Cyan: 'Голубой',
+    Sky: 'Небесный',
+    Blue: 'Синий',
+    Indigo: 'Индиго',
+    Violet: 'Фиолетовый',
+    Purple: 'Пурпурный',
+    Fuchsia: 'Фуксия',
+    Pink: 'Розовый',
+    Rose: 'Роза',
+    'Primary color': 'Основной цвет'
   }
 }
diff --git a/src/i18n/locales/th.ts b/src/i18n/locales/th.ts
index e24ce59..9f43900 100644
--- a/src/i18n/locales/th.ts
+++ b/src/i18n/locales/th.ts
@@ -455,6 +455,25 @@ export default {
     'Unpin from profile': 'ยกเลิกปักหมุดจากโปรไฟล์',
     'Pin to profile': 'ปักหมุดไปที่โปรไฟล์',
     Appearance: 'รูปลักษณ์',
-    'Pure Black': 'สีดำล้วน'
+    'Pure Black': 'สีดำล้วน',
+    Default: 'ค่าเริ่มต้น',
+    Red: 'แดง',
+    Orange: 'ส้ม',
+    Amber: 'อำพัน',
+    Yellow: 'เหลือง',
+    Lime: 'มะนาว',
+    Green: 'เขียว',
+    Emerald: 'มรกต',
+    Teal: 'ฟ้าเขียว',
+    Cyan: 'ฟ้าน้ำทะเล',
+    Sky: 'ฟ้า',
+    Blue: 'น้ำเงิน',
+    Indigo: 'คราม',
+    Violet: 'ม่วงอ่อน',
+    Purple: 'ม่วง',
+    Fuchsia: 'บานเย็น',
+    Pink: 'ชมพู',
+    Rose: 'กุหลาบ',
+    'Primary color': 'สีหลัก'
   }
 }
diff --git a/src/i18n/locales/zh.ts b/src/i18n/locales/zh.ts
index 8981edd..bdae525 100644
--- a/src/i18n/locales/zh.ts
+++ b/src/i18n/locales/zh.ts
@@ -453,6 +453,25 @@ export default {
     'Unpin from profile': '从个人资料取消置顶',
     'Pin to profile': '置顶到个人资料',
     Appearance: '外观',
-    'Pure Black': '纯黑'
+    'Pure Black': '纯黑',
+    Default: '默认',
+    Red: '红色',
+    Orange: '橙色',
+    Amber: '琥珀色',
+    Yellow: '黄色',
+    Lime: '青柠色',
+    Green: '绿色',
+    Emerald: '翡翠色',
+    Teal: '蓝绿色',
+    Cyan: '青色',
+    Sky: '天空色',
+    Blue: '蓝色',
+    Indigo: '靛蓝色',
+    Violet: '紫罗兰色',
+    Purple: '紫色',
+    Fuchsia: '紫红色',
+    Pink: '粉色',
+    Rose: '玫瑰色',
+    'Primary color': '主色调'
   }
 }
diff --git a/src/pages/secondary/AppearanceSettingsPage/index.tsx b/src/pages/secondary/AppearanceSettingsPage/index.tsx
index f818299..a2cfc5e 100644
--- a/src/pages/secondary/AppearanceSettingsPage/index.tsx
+++ b/src/pages/secondary/AppearanceSettingsPage/index.tsx
@@ -1,4 +1,5 @@
 import { Label } from '@/components/ui/label'
+import { PRIMARY_COLORS, TPrimaryColor } from '@/constants'
 import SecondaryPageLayout from '@/layouts/SecondaryPageLayout'
 import { cn } from '@/lib/utils'
 import { useTheme } from '@/providers/ThemeProvider'
@@ -15,11 +16,11 @@ const THEMES = [
 
 const AppearanceSettingsPage = forwardRef(({ index }: { index?: number }, ref) => {
   const { t } = useTranslation()
-  const { themeSetting, setThemeSetting } = useTheme()
+  const { themeSetting, setThemeSetting, primaryColor, setPrimaryColor } = useTheme()
 
   return (
     <SecondaryPageLayout ref={ref} index={index} title={t('Appearance')}>
-      <div className="space-y-4 mt-3">
+      <div className="space-y-4 my-3">
         <div className="flex flex-col gap-2 px-4">
           <Label className="text-base">{t('Theme')}</Label>
           <div className="grid grid-cols-2 md:grid-cols-4 gap-4 w-full">
@@ -31,7 +32,9 @@ const AppearanceSettingsPage = forwardRef(({ index }: { index?: number }, ref) =
                 }}
                 className={cn(
                   'flex flex-col items-center gap-2 py-4 rounded-lg border-2 transition-all',
-                  themeSetting === key ? 'border-primary' : 'border-border hover:border-primary/60'
+                  themeSetting === key
+                    ? 'border-primary'
+                    : 'border-border hover:border-muted-foreground/40'
                 )}
               >
                 <div className="flex items-center justify-center w-8 h-8">{icon}</div>
@@ -40,6 +43,31 @@ const AppearanceSettingsPage = forwardRef(({ index }: { index?: number }, ref) =
             ))}
           </div>
         </div>
+        <div className="flex flex-col gap-2 px-4">
+          <Label className="text-base">{t('Primary color')}</Label>
+          <div className="grid grid-cols-4 gap-4 w-full">
+            {Object.entries(PRIMARY_COLORS).map(([key, config]) => (
+              <button
+                key={key}
+                onClick={() => setPrimaryColor(key as TPrimaryColor)}
+                className={cn(
+                  'flex flex-col items-center gap-2 py-4 rounded-lg border-2 transition-all',
+                  primaryColor === key
+                    ? 'border-primary'
+                    : 'border-border hover:border-muted-foreground/40'
+                )}
+              >
+                <div
+                  className="size-8 rounded-full shadow-md"
+                  style={{
+                    backgroundColor: `hsl(${config.light.primary})`
+                  }}
+                />
+                <span className="text-xs font-medium">{t(config.name)}</span>
+              </button>
+            ))}
+          </div>
+        </div>
       </div>
     </SecondaryPageLayout>
   )
diff --git a/src/providers/ThemeProvider.tsx b/src/providers/ThemeProvider.tsx
index 6ee05fc..76d121d 100644
--- a/src/providers/ThemeProvider.tsx
+++ b/src/providers/ThemeProvider.tsx
@@ -1,36 +1,36 @@
+import { PRIMARY_COLORS, StorageKey, TPrimaryColor } from '@/constants'
 import storage from '@/services/local-storage.service'
 import { TTheme, TThemeSetting } from '@/types'
 import { createContext, useContext, useEffect, useState } from 'react'
 
 type ThemeProviderState = {
   themeSetting: TThemeSetting
-  setThemeSetting: (themeSetting: TThemeSetting) => Promise<void>
-}
-
-function getSystemTheme() {
-  return window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light'
+  setThemeSetting: (themeSetting: TThemeSetting) => void
+  primaryColor: TPrimaryColor
+  setPrimaryColor: (color: TPrimaryColor) => void
 }
 
 const ThemeProviderContext = createContext<ThemeProviderState | undefined>(undefined)
 
+const updateCSSVariables = (color: TPrimaryColor, currentTheme: TTheme) => {
+  const root = window.document.documentElement
+  const colorConfig = PRIMARY_COLORS[color] ?? PRIMARY_COLORS.DEFAULT
+
+  const config = currentTheme === 'light' ? colorConfig.light : colorConfig.dark
+
+  root.style.setProperty('--primary', config.primary)
+  root.style.setProperty('--primary-hover', config['primary-hover'])
+  root.style.setProperty('--primary-foreground', config['primary-foreground'])
+}
+
 export function ThemeProvider({ children }: { children: React.ReactNode }) {
   const [themeSetting, setThemeSetting] = useState<TThemeSetting>(
-    (localStorage.getItem('themeSetting') as TThemeSetting | null) ?? 'system'
+    (localStorage.getItem(StorageKey.THEME_SETTING) as TThemeSetting) ?? 'system'
   )
   const [theme, setTheme] = useState<TTheme>('light')
-
-  useEffect(() => {
-    const init = async () => {
-      const themeSetting = storage.getThemeSetting()
-      if (themeSetting === 'system') {
-        setTheme(getSystemTheme())
-        return
-      }
-      setTheme(themeSetting)
-    }
-
-    init()
-  }, [])
+  const [primaryColor, setPrimaryColor] = useState<TPrimaryColor>(
+    (localStorage.getItem(StorageKey.PRIMARY_COLOR) as TPrimaryColor) ?? 'DEFAULT'
+  )
 
   useEffect(() => {
     if (themeSetting !== 'system') {
@@ -65,16 +65,27 @@ export function ThemeProvider({ children }: { children: React.ReactNode }) {
     updateTheme()
   }, [theme])
 
-  const updateThemeSetting = async (themeSetting: TThemeSetting) => {
+  useEffect(() => {
+    updateCSSVariables(primaryColor, theme)
+  }, [theme, primaryColor])
+
+  const updateThemeSetting = (themeSetting: TThemeSetting) => {
     storage.setThemeSetting(themeSetting)
     setThemeSetting(themeSetting)
   }
 
+  const updatePrimaryColor = (color: TPrimaryColor) => {
+    storage.setPrimaryColor(color)
+    setPrimaryColor(color)
+  }
+
   return (
     <ThemeProviderContext.Provider
       value={{
-        themeSetting: themeSetting,
-        setThemeSetting: updateThemeSetting
+        themeSetting,
+        setThemeSetting: updateThemeSetting,
+        primaryColor,
+        setPrimaryColor: updatePrimaryColor
       }}
     >
       {children}
diff --git a/src/services/local-storage.service.ts b/src/services/local-storage.service.ts
index 2522b1d..58195fc 100644
--- a/src/services/local-storage.service.ts
+++ b/src/services/local-storage.service.ts
@@ -4,7 +4,8 @@ import {
   MEDIA_AUTO_LOAD_POLICY,
   NOTIFICATION_LIST_STYLE,
   SUPPORTED_KINDS,
-  StorageKey
+  StorageKey,
+  TPrimaryColor
 } from '@/constants'
 import { isSameAccount } from '@/lib/account'
 import { randomString } from '@/lib/random'
@@ -49,6 +50,7 @@ class LocalStorageService {
   private mediaAutoLoadPolicy: TMediaAutoLoadPolicy = MEDIA_AUTO_LOAD_POLICY.ALWAYS
   private shownCreateWalletGuideToastPubkeys: Set<string> = new Set()
   private sidebarCollapse: boolean = false
+  private primaryColor: TPrimaryColor = 'DEFAULT'
 
   constructor() {
     if (!LocalStorageService.instance) {
@@ -196,6 +198,9 @@ class LocalStorageService {
 
     this.sidebarCollapse = window.localStorage.getItem(StorageKey.SIDEBAR_COLLAPSE) === 'true'
 
+    this.primaryColor =
+      (window.localStorage.getItem(StorageKey.PRIMARY_COLOR) as TPrimaryColor) ?? 'DEFAULT'
+
     // Clean up deprecated data
     window.localStorage.removeItem(StorageKey.ACCOUNT_PROFILE_EVENT_MAP)
     window.localStorage.removeItem(StorageKey.ACCOUNT_FOLLOW_LIST_EVENT_MAP)
@@ -488,6 +493,15 @@ class LocalStorageService {
     this.sidebarCollapse = collapse
     window.localStorage.setItem(StorageKey.SIDEBAR_COLLAPSE, collapse.toString())
   }
+
+  getPrimaryColor() {
+    return this.primaryColor
+  }
+
+  setPrimaryColor(color: TPrimaryColor) {
+    this.primaryColor = color
+    window.localStorage.setItem(StorageKey.PRIMARY_COLOR, color)
+  }
 }
 
 const instance = new LocalStorageService()