diff --git a/components/main/MainContent.vue b/components/main/MainContent.vue
index 95ff9992..8362e592 100644
--- a/components/main/MainContent.vue
+++ b/components/main/MainContent.vue
@@ -12,7 +12,7 @@ defineProps<{
     <div
       sticky top-0 z10 backdrop-blur
       pt="[env(safe-area-inset-top,0)]"
-      border="b base" bg="[rgba(var(--c-bg-base-rgb),0.7)]"
+      border="b base" bg="[rgba(var(--rbg-bg-base),0.7)]"
     >
       <div flex justify-between px5 py2 :class="{ 'xl:hidden': $route.name !== 'tag' }">
         <div flex gap-3 items-center overflow-hidden py2>
diff --git a/components/pwa/PwaBadge.client.vue b/components/pwa/PwaBadge.client.vue
index cd9ce608..e386f2c9 100644
--- a/components/pwa/PwaBadge.client.vue
+++ b/components/pwa/PwaBadge.client.vue
@@ -1,7 +1,7 @@
 <template>
   <button
     v-if="$pwa?.needRefresh"
-    bg="fade" relative rounded
+    bg="primary-fade" relative rounded
     flex="~ gap-1 center" px3 py1 text-primary
     @click="$pwa.updateServiceWorker()"
   >
diff --git a/components/pwa/PwaPrompt.client.vue b/components/pwa/PwaPrompt.client.vue
index c7c09705..5ed5f271 100644
--- a/components/pwa/PwaPrompt.client.vue
+++ b/components/pwa/PwaPrompt.client.vue
@@ -1,7 +1,7 @@
 <template>
   <div
     v-if="$pwa?.needRefresh"
-    m-2 p5 bg="fade" relative
+    m-2 p5 bg="primary-fade" relative
     rounded-lg of-hidden
     flex="~ col gap-3"
   >
diff --git a/components/settings/SettingsThemeColors.vue b/components/settings/SettingsThemeColors.vue
new file mode 100644
index 00000000..82091ff0
--- /dev/null
+++ b/components/settings/SettingsThemeColors.vue
@@ -0,0 +1,29 @@
+<script setup lang="ts">
+import type { ThemeColors } from '~/composables/settings'
+
+const themes = await import('~/constants/themes.json').then(r => r.default) as [string, ThemeColors][]
+const settings = $(useUserSettings())
+
+const currentTheme = $computed(() => settings.themeColors?.['--theme-color-name'] || themes[0][0])
+
+function updateTheme(theme: ThemeColors) {
+  settings.themeColors = theme
+}
+</script>
+
+<template>
+  <div flex="~ gap4" p2>
+    <button
+      v-for="[key, theme] in themes" :key="key"
+      :style="{
+        'background': key,
+        '--local-ring-color': key,
+      }"
+      :class="currentTheme === key ? 'ring-2' : 'scale-90'"
+      :title="key"
+      w-8 h-8 rounded-full transition-all
+      ring="$local-ring-color offset-3 offset-$c-bg-base"
+      @click="updateTheme(theme)"
+    />
+  </div>
+</template>
diff --git a/composables/settings/definition.ts b/composables/settings/definition.ts
index ae7cde93..4c64dba0 100644
--- a/composables/settings/definition.ts
+++ b/composables/settings/definition.ts
@@ -18,6 +18,23 @@ export interface UserSettings {
   fontSize: FontSize
   language: string
   zenMode: boolean
+  themeColors?: ThemeColors
+}
+
+export interface ThemeColors {
+  '--theme-color-name': string
+
+  '--c-primary': string
+  '--c-primary-active': string
+  '--c-primary-light': string
+  '--c-primary-fade': string
+  '--c-dark-primary': string
+  '--c-dark-primary-active': string
+  '--c-dark-primary-light': string
+  '--c-dark-primary-fade': string
+
+  '--rgb-primary': string
+  '--rgb-dark-primary': string
 }
 
 export function getDefaultLanguage(languages: string[]) {
diff --git a/constants/themes.json b/constants/themes.json
new file mode 100644
index 00000000..a7875742
--- /dev/null
+++ b/constants/themes.json
@@ -0,0 +1,146 @@
+[
+  [
+    "#cc7d24",
+    {
+      "--theme-color-name": "#cc7d24",
+      "--c-primary": "rgb(var(--rgb-primary))",
+      "--c-primary-active": "#b16605",
+      "--c-primary-light": "#cc7d2480",
+      "--c-primary-fade": "#c7781f1a",
+      "--rgb-primary": "204, 125, 36",
+      "--c-dark-primary": "rgb(var(--rgb-dark-primary))",
+      "--c-dark-primary-active": "#b66b0d",
+      "--c-dark-primary-light": "#d1822980",
+      "--c-dark-primary-fade": "#cc7d241a",
+      "--rgb-dark-primary": "204, 125, 36"
+    }
+  ],
+  [
+    "#8d9614",
+    {
+      "--theme-color-name": "#8d9614",
+      "--c-primary": "rgb(var(--rgb-primary))",
+      "--c-primary-active": "#747f00",
+      "--c-primary-light": "#8d961480",
+      "--c-primary-fade": "#88910c1a",
+      "--rgb-primary": "141, 150, 20",
+      "--c-dark-primary": "rgb(var(--rgb-dark-primary))",
+      "--c-dark-primary-active": "#798300",
+      "--c-dark-primary-light": "#929b1b80",
+      "--c-dark-primary-fade": "#8d96141a",
+      "--rgb-dark-primary": "141, 150, 20"
+    }
+  ],
+  [
+    "#24a451",
+    {
+      "--theme-color-name": "#24a451",
+      "--c-primary": "rgb(var(--rgb-primary))",
+      "--c-primary-active": "#008c3b",
+      "--c-primary-light": "#24a45180",
+      "--c-primary-fade": "#1c9f4d1a",
+      "--rgb-primary": "36, 164, 81",
+      "--c-dark-primary": "rgb(var(--rgb-dark-primary))",
+      "--c-dark-primary-active": "#00903f",
+      "--c-dark-primary-light": "#2ba95580",
+      "--c-dark-primary-fade": "#24a4511a",
+      "--rgb-dark-primary": "36, 164, 81"
+    }
+  ],
+  [
+    "#00a99b",
+    {
+      "--theme-color-name": "#00a99b",
+      "--c-primary": "rgb(var(--rgb-primary))",
+      "--c-primary-active": "#009184",
+      "--c-primary-light": "#00a99b80",
+      "--c-primary-fade": "#00a4961a",
+      "--rgb-primary": "0, 169, 155",
+      "--c-dark-primary": "rgb(var(--rgb-dark-primary))",
+      "--c-dark-primary-active": "#009688",
+      "--c-dark-primary-light": "#13aea080",
+      "--c-dark-primary-fade": "#00a99b1a",
+      "--rgb-dark-primary": "0, 169, 155"
+    }
+  ],
+  [
+    "#00a6df",
+    {
+      "--theme-color-name": "#00a6df",
+      "--c-primary": "rgb(var(--rgb-primary))",
+      "--c-primary-active": "#008ec6",
+      "--c-primary-light": "#00a6df80",
+      "--c-primary-fade": "#00a1da1a",
+      "--rgb-primary": "0, 166, 223",
+      "--c-dark-primary": "rgb(var(--rgb-dark-primary))",
+      "--c-dark-primary-active": "#0093cb",
+      "--c-dark-primary-light": "#17abe480",
+      "--c-dark-primary-fade": "#00a6df1a",
+      "--rgb-dark-primary": "0, 166, 223"
+    }
+  ],
+  [
+    "#0097fd",
+    {
+      "--theme-color-name": "#0097fd",
+      "--c-primary": "rgb(var(--rgb-primary))",
+      "--c-primary-active": "#0080e3",
+      "--c-primary-light": "#0097fd80",
+      "--c-primary-fade": "#0092f81a",
+      "--rgb-primary": "0, 151, 253",
+      "--c-dark-primary": "rgb(var(--rgb-dark-primary))",
+      "--c-dark-primary-active": "#0085e5",
+      "--c-dark-primary-light": "#1a9cff80",
+      "--c-dark-primary-fade": "#0197fa1a",
+      "--rgb-dark-primary": "0, 151, 253"
+    }
+  ],
+  [
+    "#a27be7",
+    {
+      "--theme-color-name": "#a27be7",
+      "--c-primary": "rgb(var(--rgb-primary))",
+      "--c-primary-active": "#8964cd",
+      "--c-primary-light": "#a27be780",
+      "--c-primary-fade": "#9d76e21a",
+      "--rgb-primary": "162, 123, 231",
+      "--c-dark-primary": "rgb(var(--rgb-dark-primary))",
+      "--c-dark-primary-active": "#8e69d2",
+      "--c-dark-primary-light": "#a780ec80",
+      "--c-dark-primary-fade": "#a27be71a",
+      "--rgb-dark-primary": "162, 123, 231"
+    }
+  ],
+  [
+    "#e65da9",
+    {
+      "--theme-color-name": "#e65da9",
+      "--c-primary": "rgb(var(--rgb-primary))",
+      "--c-primary-active": "#cb4391",
+      "--c-primary-light": "#e65da980",
+      "--c-primary-fade": "#e158a41a",
+      "--rgb-primary": "230, 93, 169",
+      "--c-dark-primary": "rgb(var(--rgb-dark-primary))",
+      "--c-dark-primary-active": "#d14896",
+      "--c-dark-primary-light": "#eb62ae80",
+      "--c-dark-primary-fade": "#e65da91a",
+      "--rgb-dark-primary": "230, 93, 169"
+    }
+  ],
+  [
+    "#ef6061",
+    {
+      "--theme-color-name": "#ef6061",
+      "--c-primary": "rgb(var(--rgb-primary))",
+      "--c-primary-active": "#d3474c",
+      "--c-primary-light": "#ef606180",
+      "--c-primary-fade": "#e95b5d1a",
+      "--rgb-primary": "239, 96, 97",
+      "--c-dark-primary": "rgb(var(--rgb-dark-primary))",
+      "--c-dark-primary-active": "#d94c50",
+      "--c-dark-primary-light": "#f5656580",
+      "--c-dark-primary-fade": "#ef60611a",
+      "--rgb-dark-primary": "239, 96, 97"
+    }
+  ]
+]
diff --git a/locales/en-US.json b/locales/en-US.json
index 985943f5..4065977b 100644
--- a/locales/en-US.json
+++ b/locales/en-US.json
@@ -291,7 +291,8 @@
         "xl": "Extra large",
         "xs": "Extra small"
       },
-      "system_mode": "System"
+      "system_mode": "System",
+      "theme_color": "Theme Color"
     },
     "language": {
       "display_language": "Display Language",
diff --git a/nuxt.config.ts b/nuxt.config.ts
index c50702c7..d0bb12de 100644
--- a/nuxt.config.ts
+++ b/nuxt.config.ts
@@ -45,6 +45,7 @@ export default defineNuxtConfig({
   css: [
     '@unocss/reset/tailwind.css',
     'floating-vue/dist/style.css',
+    '~/styles/default-theme.css',
     '~/styles/vars.css',
     '~/styles/global.css',
     '~/styles/tiptap.css',
diff --git a/package.json b/package.json
index 8512083f..c2be291a 100644
--- a/package.json
+++ b/package.json
@@ -80,6 +80,7 @@
     "@nuxtjs/color-mode": "^3.2.0",
     "@nuxtjs/i18n": "^8.0.0-beta.7",
     "@pinia/nuxt": "^0.4.6",
+    "@types/chroma-js": "^2.1.4",
     "@types/file-saver": "^2.0.5",
     "@types/fnando__sparkline": "^0.3.4",
     "@types/fs-extra": "^11.0.0",
@@ -92,6 +93,7 @@
     "@vueuse/math": "^9.10.0",
     "@vueuse/nuxt": "^9.10.0",
     "bumpp": "^8.2.1",
+    "chroma-js": "^2.4.2",
     "emoji-mart": "^5.4.0",
     "eslint": "^8.31.0",
     "esno": "^0.16.3",
diff --git a/pages/settings/interface/index.vue b/pages/settings/interface/index.vue
index 5939bdda..804e7f89 100644
--- a/pages/settings/interface/index.vue
+++ b/pages/settings/interface/index.vue
@@ -24,6 +24,12 @@ useHeadFixed({
         </p>
         <SettingsColorMode />
       </div>
+      <div space-y-2>
+        <p font-medium>
+          {{ $t('settings.interface.theme_color') }}
+        </p>
+        <SettingsThemeColors />
+      </div>
     </div>
   </MainContent>
 </template>
diff --git a/plugins/setup-global-effects.client.ts b/plugins/setup-global-effects.client.ts
index 8fd42b39..b8bb5c98 100644
--- a/plugins/setup-global-effects.client.ts
+++ b/plugins/setup-global-effects.client.ts
@@ -3,11 +3,14 @@ import { DEFAULT_FONT_SIZE } from '~/constants'
 
 export default defineNuxtPlugin(() => {
   const userSettings = useUserSettings()
-  const html = document.querySelector('html')!
+  const html = document.documentElement
   watchEffect(() => {
     html.style.setProperty('--font-size', fontSizeMap[userSettings.value.fontSize || DEFAULT_FONT_SIZE])
   })
   watchEffect(() => {
     html.classList.toggle('zen', userSettings.value.zenMode)
   })
+  watchEffect(() => {
+    Object.entries(userSettings.value.themeColors || {}).forEach(([k, v]) => html.style.setProperty(k, v))
+  })
 })
diff --git a/plugins/setup-head-script.server.ts b/plugins/setup-head-script.server.ts
index b7a8a99f..5ca933d2 100644
--- a/plugins/setup-head-script.server.ts
+++ b/plugins/setup-head-script.server.ts
@@ -15,7 +15,7 @@ export default defineNuxtPlugin(() => {
   const settings = allSettings[handle]
   if (!settings) { return }
 
-  const html = document.querySelector('html')
+  const html = document.documentElement
   ${process.dev ? 'console.log({ settings })' : ''}
 
   if (settings.fontSize) {
@@ -28,6 +28,9 @@ export default defineNuxtPlugin(() => {
   if (settings.zenMode) {
     html.classList.add('zen')
   }
+  if (settings.themeColors) {
+    Object.entries(settings.themeColors).map(i => html.style.setProperty(i[0], i[1]))
+  }
 })()`.trim().replace(/\s*\n+\s*/g, ';'),
       },
     ],
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 4dfbab62..099e7e0b 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -59,6 +59,7 @@ importers:
       '@tiptap/starter-kit': 2.0.0-beta.204
       '@tiptap/suggestion': 2.0.0-beta.204
       '@tiptap/vue-3': 2.0.0-beta.204
+      '@types/chroma-js': ^2.1.4
       '@types/file-saver': ^2.0.5
       '@types/fnando__sparkline': ^0.3.4
       '@types/fs-extra': ^11.0.0
@@ -77,6 +78,7 @@ importers:
       blurhash: ^2.0.4
       browser-fs-access: ^0.31.1
       bumpp: ^8.2.1
+      chroma-js: ^2.4.2
       emoji-mart: ^5.4.0
       eslint: ^8.31.0
       esno: ^0.16.3
@@ -179,6 +181,7 @@ importers:
       '@nuxtjs/color-mode': 3.2.0
       '@nuxtjs/i18n': 8.0.0-beta.7
       '@pinia/nuxt': 0.4.6_typescript@4.9.4
+      '@types/chroma-js': 2.1.4
       '@types/file-saver': 2.0.5
       '@types/fnando__sparkline': 0.3.4
       '@types/fs-extra': 11.0.0
@@ -191,6 +194,7 @@ importers:
       '@vueuse/math': 9.10.0
       '@vueuse/nuxt': 9.10.0_nuxt@3.0.0
       bumpp: 8.2.1
+      chroma-js: 2.4.2
       emoji-mart: 5.4.0
       eslint: 8.31.0
       esno: 0.16.3
@@ -3116,6 +3120,10 @@ packages:
     resolution: {integrity: sha512-KnRanxnpfpjUTqTCXslZSEdLfXExwgNxYPdiO2WGUj8+HDjFi8R3k5RVKPeSCzLjCcshCAtVO2QBbVuAV4kTnw==}
     dev: true
 
+  /@types/chroma-js/2.1.4:
+    resolution: {integrity: sha512-l9hWzP7cp7yleJUI7P2acmpllTJNYf5uU6wh50JzSIZt3fFHe+w2FM6w9oZGBTYzjjm2qHdnQvI+fF/JF/E5jQ==}
+    dev: true
+
   /@types/debug/4.1.7:
     resolution: {integrity: sha512-9AonUzyTjXXhEOa0DnqpzZi6VHlqKMswga9EXjpXnnqxwLtdvPPtlO8evrI5D9S6asFRCQ6v+wpiUKbw+vKqyg==}
     dependencies:
diff --git a/scripts/generate-themes.ts b/scripts/generate-themes.ts
new file mode 100644
index 00000000..ffcc196e
--- /dev/null
+++ b/scripts/generate-themes.ts
@@ -0,0 +1,31 @@
+import chroma from 'chroma-js'
+import type { ThemeColors } from '~/composables/settings'
+
+// #cc7d24 -> hcl(67.14,62.19,59.56)
+export const themesColor = Array.from(
+  { length: 9 },
+  (_, i) => chroma.hcl((67.14 + i * 40) % 360, 62.19, 59.56).hex(),
+)
+
+export function getThemeColors(primary: string): ThemeColors {
+  const c = chroma(primary)
+  const dc = c.brighten(0.1)
+
+  return {
+    '--theme-color-name': primary,
+
+    '--c-primary': 'rgb(var(--rgb-primary))',
+    '--c-primary-active': c.darken(0.5).hex(),
+    '--c-primary-light': c.alpha(0.5).hex(),
+    '--c-primary-fade': c.darken(0.1).alpha(0.1).hex(),
+    '--rgb-primary': c.rgb().join(', '),
+
+    '--c-dark-primary': 'rgb(var(--rgb-dark-primary))',
+    '--c-dark-primary-active': dc.darken(0.5).hex(),
+    '--c-dark-primary-light': dc.alpha(0.5).hex(),
+    '--c-dark-primary-fade': dc.darken(0.1).alpha(0.1).hex(),
+    '--rgb-dark-primary': c.rgb().join(', '),
+  }
+}
+
+export const colorsMap = themesColor.map(color => [color, getThemeColors(color)])
diff --git a/scripts/prepare.ts b/scripts/prepare.ts
index 4a0e5c04..44367e92 100644
--- a/scripts/prepare.ts
+++ b/scripts/prepare.ts
@@ -1,12 +1,16 @@
-import { copy } from 'fs-extra'
+import fs from 'fs-extra'
 import { emojiPrefix, iconifyEmojiPackage } from '../config/emojis'
+import { colorsMap } from './generate-themes'
 
 const dereference = process.platform === 'win32' ? true : undefined
 
-await copy('node_modules/shiki-es/dist/assets', 'public/shiki/', {
+await fs.copy('node_modules/shiki-es/dist/assets', 'public/shiki/', {
   dereference,
   filter: src => src === 'node_modules/shiki/' || src.includes('languages') || src.includes('dist'),
 })
-await copy('node_modules/theme-vitesse/themes', 'public/shiki/themes', { dereference })
-await copy('node_modules/theme-vitesse/themes', 'node_modules/shiki/themes', { overwrite: true, dereference })
-await copy(`node_modules/${iconifyEmojiPackage}/icons`, `public/emojis/${emojiPrefix}`, { overwrite: true, dereference })
+await fs.copy('node_modules/theme-vitesse/themes', 'public/shiki/themes', { dereference })
+await fs.copy('node_modules/theme-vitesse/themes', 'node_modules/shiki/themes', { overwrite: true, dereference })
+await fs.copy(`node_modules/${iconifyEmojiPackage}/icons`, `public/emojis/${emojiPrefix}`, { overwrite: true, dereference })
+
+await fs.writeJSON('constants/themes.json', colorsMap, { spaces: 2, EOL: '\n' })
+await fs.writeFile('styles/default-theme.css', `:root {\n${Object.entries(colorsMap[0][1]).map(([k, v]) => `  ${k}: ${v};`).join('\n')}\n}\n`, { encoding: 'utf-8' })
diff --git a/styles/default-theme.css b/styles/default-theme.css
new file mode 100644
index 00000000..5a8e0d42
--- /dev/null
+++ b/styles/default-theme.css
@@ -0,0 +1,13 @@
+:root {
+  --theme-color-name: #cc7d24;
+  --c-primary: rgb(var(--rgb-primary));
+  --c-primary-active: #b16605;
+  --c-primary-light: #cc7d2480;
+  --c-primary-fade: #c7781f1a;
+  --rgb-primary: 204, 125, 36;
+  --c-dark-primary: rgb(var(--rgb-dark-primary));
+  --c-dark-primary-active: #b66b0d;
+  --c-dark-primary-light: #d1822980;
+  --c-dark-primary-fade: #cc7d241a;
+  --rgb-dark-primary: 204, 125, 36;
+}
diff --git a/styles/tiptap.css b/styles/tiptap.css
index 5ba87138..536807d1 100644
--- a/styles/tiptap.css
+++ b/styles/tiptap.css
@@ -1,12 +1,13 @@
-.ProseMirror p.is-editor-empty:first-child::before {
-  content: attr(data-placeholder);
-  float: left;
-  pointer-events: none;
-  height: 0;
-  opacity: 0.4;
-}
-
-span[data-type='mention'],
-span[data-type='hashtag'] {
-  --at-apply: text-primary;
+.ProseMirror {
+  p.is-editor-empty:first-child::before {
+    content: attr(data-placeholder);
+    float: left;
+    pointer-events: none;
+    height: 0;
+    opacity: 0.4;
+  }
+  span[data-type='mention'],
+  span[data-type='hashtag'] {
+    --at-apply: text-primary;
+  }
 }
diff --git a/styles/vars.css b/styles/vars.css
index a22c3dc6..ea82106a 100644
--- a/styles/vars.css
+++ b/styles/vars.css
@@ -1,17 +1,15 @@
 :root {
-  --c-primary: #d98018;
-  --c-primary-active: #9a5420;
-  --c-primary-light: #d980181A;
   --c-border: #eee;
   --c-border-dark: #dccfcf;
 
-  --c-bg-base: #fafafa;
-  --c-bg-base-rgb: 250, 250, 250;
+  --rgb-bg-base: 250, 250, 250;
+
+  --c-bg-base: rgb(var(--rgb-bg-base));
+
   --c-bg-active: #f2f2f2;
   --c-bg-card: #00000006;
   --c-bg-code: #00000006;
   --c-bg-selection: #8885;
-  --c-bg-fade: #EA9E4411;
   --c-bg-dm: #f1e8e6;
 
   --c-text-base: #232323;
@@ -29,19 +27,19 @@
 }
 
 .dark {
-  --c-primary: #EA9E44;
-  --c-primary-active: #C16929;
-  --c-primary-light: #EA9E441A;
+  --c-primary: var(--c-dark-primary);
+  --c-primary-active: var(--c-dark-primary-active);
+  --c-primary-light: var(--c-dark-primary-light);
+  --c-primary-fade: var(--c-dark-primary-fade); 
   
   --c-border: #222;
   --c-border-dark: #545251;
 
-  --c-bg-base: #111;
-  --c-bg-base-rgb: 17, 17, 17;
+  --rgb-bg-base: 17, 17, 17;
+
   --c-bg-active: #191919;
   --c-bg-card: #ffffff06;
   --c-bg-code: #ffffff06;
-  --c-bg-fade: #EA9E4411;
   --c-bg-dm: #0a2f35;
 
   --c-text-base: #f3f3f3;
diff --git a/unocss.config.ts b/unocss.config.ts
index b672b226..f06d4cec 100644
--- a/unocss.config.ts
+++ b/unocss.config.ts
@@ -23,9 +23,9 @@ export default defineConfig({
       'bg-border': 'bg-$c-border',
       'bg-active': 'bg-$c-bg-active',
       'bg-primary-light': 'bg-$c-primary-light',
+      'bg-primary-fade': 'bg-$c-primary-fade',
       'bg-card': 'bg-$c-bg-card',
       'bg-code': 'bg-$c-bg-code',
-      'bg-fade': 'bg-$c-bg-fade',
       'bg-dm': 'bg-$c-bg-dm',
 
       // text colors