diff --git a/apps/stage-web/package.json b/apps/stage-web/package.json
index 3af60e1b6..897318d2a 100644
--- a/apps/stage-web/package.json
+++ b/apps/stage-web/package.json
@@ -55,6 +55,7 @@
     "@xsai/shared-chat": "catalog:",
     "@xsai/stream-text": "catalog:",
     "@xsai/utils-chat": "catalog:",
+    "culori": "^4.0.1",
     "defu": "^6.1.4",
     "drizzle-kit": "^0.30.5",
     "drizzle-orm": "^0.40.0",
@@ -103,6 +104,7 @@
     "@proj-airi/unplugin-download": "workspace:^",
     "@proj-airi/unplugin-live2d-sdk": "workspace:^",
     "@shikijs/markdown-it": "^3.1.0",
+    "@types/culori": "^2.1.1",
     "@types/markdown-it-link-attributes": "^3.0.5",
     "@types/nprogress": "^0.2.3",
     "@types/three": "^0.174.0",
diff --git a/apps/stage-web/src/App.vue b/apps/stage-web/src/App.vue
index 67778f18d..68b2ff65b 100644
--- a/apps/stage-web/src/App.vue
+++ b/apps/stage-web/src/App.vue
@@ -3,7 +3,7 @@ import { useSettings } from '@proj-airi/stage-ui/stores/settings'
 import { StageTransitionGroup } from '@proj-airi/ui-transitions'
 import { useDark } from '@vueuse/core'
 import { storeToRefs } from 'pinia'
-import { onMounted, watch } from 'vue'
+import { watch } from 'vue'
 import { useI18n } from 'vue-i18n'
 import { RouterView } from 'vue-router'
 
@@ -17,11 +17,7 @@ watch(settings.language, () => {
 
 watch(settings.themeColorsHue, () => {
   document.documentElement.style.setProperty('--theme-colors-hue', settings.themeColorsHue.value.toString())
-})
-
-onMounted(() => {
-  document.documentElement.style.setProperty('--theme-colors-hue', settings.themeColorsHue.value.toString())
-})
+}, { immediate: true })
 </script>
 
 <template>
diff --git a/apps/stage-web/src/components/Backgrounds/Cross.vue b/apps/stage-web/src/components/Backgrounds/Cross.vue
index fdd0495d0..cf4764a99 100644
--- a/apps/stage-web/src/components/Backgrounds/Cross.vue
+++ b/apps/stage-web/src/components/Backgrounds/Cross.vue
@@ -11,7 +11,7 @@ https://www.magicpattern.design/tools/css-backgrounds
 */
 .cross-background-container {
   background-color: #ffffff;
-  --cross-color: oklch(0.95 0.06 var(--theme-colors-hue));
+  --cross-color: oklch(0.85 var(--theme-colors-chroma) var(--theme-colors-hue) / 0.2);
   background:
     radial-gradient(circle, transparent 20%, #ffffff 20%, #ffffff 80%, transparent 80%, transparent),
     radial-gradient(circle, transparent 20%, #ffffff 20%, #ffffff 80%, transparent 80%, transparent) 25px 25px,
@@ -26,11 +26,12 @@ https://www.magicpattern.design/tools/css-backgrounds
 
 .dark .cross-background-container {
   background-color: #121212;
+  --cross-color: oklch(0.2 var(--theme-colors-chroma) var(--theme-colors-hue));
   background:
     radial-gradient(circle, transparent 20%, #121212 20%, #121212 80%, transparent 80%, transparent),
     radial-gradient(circle, transparent 20%, #121212 20%, #121212 80%, transparent 80%, transparent) 25px 25px,
-    linear-gradient(#312129 2px, transparent 2px) 0 -1px,
-    linear-gradient(90deg, #312129 2px, #121212 2px) -1px 0;
+    linear-gradient(var(--cross-color) 2px, transparent 2px) 0 -1px,
+    linear-gradient(90deg, var(--cross-color) 2px, #121212 2px) -1px 0;
   background-size:
     50px 50px,
     50px 50px,
diff --git a/apps/stage-web/src/components/Layouts/InteractiveArea.vue b/apps/stage-web/src/components/Layouts/InteractiveArea.vue
index 87d22c6c6..b7efc779a 100644
--- a/apps/stage-web/src/components/Layouts/InteractiveArea.vue
+++ b/apps/stage-web/src/components/Layouts/InteractiveArea.vue
@@ -120,14 +120,14 @@ onAfterSend(async () => {
     <fieldset flex="~ row" w-fit rounded-lg>
       <label
         :class="[
-          tab === 'chat' ? 'bg-primary-100 dark:bg-[#3c2632]' : 'bg-white dark:bg-[#121212]',
+          tab === 'chat' ? 'bg-primary-100 dark:bg-primary-900' : 'bg-white dark:bg-primary-950',
           tab === 'chat' ? 'text-primary-500 dark:text-primary-500' : '',
         ]"
         flex="~ row"
         :checked="tab === 'chat'"
         :aria-checked="tab === 'chat'"
-        border="solid l-2 t-2 b-2 primary-100 dark:[#3c2632]"
-        bg="hover:primary-100 dark:hover:[#3c2632]"
+        border="solid l-2 t-2 b-2 primary-100 dark:primary-900"
+        bg="hover:primary-100 dark:hover:primary-900"
         text="primary-300 hover:primary-500 dark:primary-300/50 dark:hover:primary-500"
         transition="all duration-250 ease-in-out"
         cursor-pointer items-center gap-1 rounded-l-lg px-2
@@ -140,14 +140,14 @@ onAfterSend(async () => {
       </label>
       <label
         :class="[
-          tab === 'custom' ? 'bg-primary-100 dark:bg-[#3c2632]' : 'bg-white dark:bg-[#121212]',
+          tab === 'custom' ? 'bg-primary-100 dark:bg-primary-900' : 'bg-white dark:bg-primary-950',
           tab === 'custom' ? 'text-primary-500 dark:text-primary-500' : '',
         ]"
         flex="~ row"
         :checked="tab === 'custom'"
         :aria-checked="tab === 'custom'"
-        border="solid t-2 b-2 primary-100 dark:[#3c2632]"
-        bg="hover:primary-100 dark:hover:[#3c2632]"
+        border="solid t-2 b-2 primary-100 dark:primary-900"
+        bg="hover:primary-100 dark:hover:primary-900"
         text="primary-300 hover:primary-500 dark:primary-300/50 dark:hover:primary-500"
         transition="all duration-250 ease-in-out"
         cursor-pointer items-center gap-1 px-2
@@ -160,14 +160,14 @@ onAfterSend(async () => {
       </label>
       <label
         :class="[
-          tab === 'clothes' ? 'bg-primary-100 dark:bg-[#3c2632]' : 'bg-white dark:bg-[#121212]',
+          tab === 'clothes' ? 'bg-primary-100 dark:bg-primary-900' : 'bg-white dark:bg-primary-950',
           tab === 'clothes' ? 'text-primary-500 dark:text-primary-500' : '',
         ]"
         flex="~ row"
         :checked="tab === 'clothes'"
         :aria-checked="tab === 'clothes'"
-        border="solid r-2 t-2 b-2 primary-100 dark:[#3c2632]"
-        bg="hover:primary-100 dark:hover:[#3c2632]"
+        border="solid r-2 t-2 b-2 primary-100 dark:primary-900"
+        bg="hover:primary-100 dark:hover:primary-900"
         text="primary-300 hover:primary-500 dark:primary-300/50 dark:hover:primary-500"
         transition="all duration-250 ease-in-out"
         cursor-pointer items-center gap-1 rounded-r-lg px-2
@@ -184,7 +184,7 @@ onAfterSend(async () => {
         flex="~ col"
         border="solid 4 primary-100 dark:primary-400/20"
         h-full w-full overflow-scroll rounded-xl
-        bg="white dark:[#0f060c]"
+        bg="white dark:primary-950"
       >
         <ChatHistory h-full flex-1 p-4 w="full" max-h="<md:[60%]" />
         <div h="<md:full" flex gap-2>
diff --git a/apps/stage-web/src/pages/index.vue b/apps/stage-web/src/pages/index.vue
index ee8fa1695..5e8d7d24d 100644
--- a/apps/stage-web/src/pages/index.vue
+++ b/apps/stage-web/src/pages/index.vue
@@ -20,7 +20,7 @@ function handleSettingsOpen(open: boolean) {
 
 <template>
   <Cross>
-    <AnimatedBackground :fill-color="dark ? 'oklch(95% 0.20 var(--theme-colors-hue))' : 'oklch(99% 0.10 var(--theme-colors-hue))'">
+    <AnimatedBackground :fill-color="dark ? 'oklch(29% var(--theme-colors-chroma) var(--theme-colors-hue))' : 'color-mix(in srgb, oklch(95% var(--theme-colors-chroma-50) var(--theme-colors-hue)) 80%, oklch(100% 0 360))'">
       <div relative flex="~ col" z-2 h-100vh w-100vw of-hidden>
         <!-- header -->
         <div>
diff --git a/apps/stage-web/src/pages/settings/themes/index.vue b/apps/stage-web/src/pages/settings/themes/index.vue
index 725169efd..7852fd2e6 100644
--- a/apps/stage-web/src/pages/settings/themes/index.vue
+++ b/apps/stage-web/src/pages/settings/themes/index.vue
@@ -72,10 +72,10 @@ const settings = useSettings()
         <div bg="primary-500" class="primary-color-bar" text-black>
           500
         </div>
-        <div bg="primary-600" class="primary-color-bar" text-black>
+        <div bg="primary-600" class="primary-color-bar" text-white>
           600
         </div>
-        <div bg="primary-700" class="primary-color-bar" text-black>
+        <div bg="primary-700" class="primary-color-bar" text-white>
           700
         </div>
         <div bg="primary-800" class="primary-color-bar" text-white>
@@ -87,17 +87,41 @@ const settings = useSettings()
         <div bg="primary-950" class="primary-color-bar" text-white>
           950
         </div>
-        <div bg="primary-960" class="primary-color-bar" text-white>
-          960
+      </div>
+
+      <div mt-4 h-10 w-full flex overflow-hidden rounded-lg class="transparency-grid">
+        <div bg="primary-500/5" class="primary-color-bar" text-black>
+          500/5
         </div>
-        <div bg="primary-970" class="primary-color-bar" text-white>
-          970
+        <div bg="primary-500/10" class="primary-color-bar" text-black>
+          500/10
         </div>
-        <div bg="primary-980" class="primary-color-bar" text-white>
-          980
+        <div bg="primary-500/20" class="primary-color-bar" text-black>
+          500/20
         </div>
-        <div bg="primary-990" class="primary-color-bar" text-white>
-          990
+        <div bg="primary-500/30" class="primary-color-bar" text-black>
+          500/30
+        </div>
+        <div bg="primary-500/40" class="primary-color-bar" text-black>
+          500/40
+        </div>
+        <div bg="primary-500/50" class="primary-color-bar" text-black>
+          500/50
+        </div>
+        <div bg="primary-500/60" class="primary-color-bar" text-black>
+          500/60
+        </div>
+        <div bg="primary-500/70" class="primary-color-bar" text-black>
+          500/70
+        </div>
+        <div bg="primary-500/80" class="primary-color-bar" text-black>
+          500/80
+        </div>
+        <div bg="primary-500/90" class="primary-color-bar" text-black>
+          500/90
+        </div>
+        <div bg="primary-500" class="primary-color-bar" text-black>
+          500
         </div>
       </div>
     </div>
@@ -125,6 +149,19 @@ const settings = useSettings()
     oklch(85% 0.2 360)
   );
 }
+
+.transparency-grid {
+  background-image: linear-gradient(45deg, #ccc 25%, transparent 25%),
+    linear-gradient(-45deg, #ccc 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #ccc 75%),
+    linear-gradient(-45deg, transparent 75%, #ccc 75%);
+  background-size: 20px 20px;
+  background-position:
+    0 0,
+    0 10px,
+    10px -10px,
+    -10px 0px;
+  background-color: #fff;
+}
 </style>
 
 <route lang="yaml">
diff --git a/apps/stage-web/src/styles/themes.css b/apps/stage-web/src/styles/themes.css
index 3010b0d48..638ccb141 100644
--- a/apps/stage-web/src/styles/themes.css
+++ b/apps/stage-web/src/styles/themes.css
@@ -10,5 +10,17 @@
   --airi-theme-primary-800: #a70a3e;
   --airi-theme-primary-900: #8e0d3b;
   --airi-theme-primary-950: #50011b;
+
   --theme-colors-hue: 354.31;
+  --theme-colors-chroma: calc(0.18 + (cos(var(--theme-colors-hue) * 3.14159265 / 180) * 0.04));
+  --theme-colors-chroma-50: calc(var(--theme-colors-chroma) * 0.3);
+  --theme-colors-chroma-100: calc(var(--theme-colors-chroma) * 0.5);
+  --theme-colors-chroma-200: calc(var(--theme-colors-chroma) * 0.6);
+  --theme-colors-chroma-300: calc(var(--theme-colors-chroma) * 0.75);
+  --theme-colors-chroma-400: var(--theme-colors-chroma);
+  --theme-colors-chroma-600: calc(var(--theme-colors-chroma) * 1.15);
+  --theme-colors-chroma-700: calc(var(--theme-colors-chroma) * 1.1);
+  --theme-colors-chroma-800: calc(var(--theme-colors-chroma) * 0.85);
+  --theme-colors-chroma-900: calc(var(--theme-colors-chroma) * 0.7);
+  --theme-colors-chroma-950: calc(var(--theme-colors-chroma) * 0.5);
 }
diff --git a/apps/stage-web/uno.config.ts b/apps/stage-web/uno.config.ts
index cde12995d..4034f50c3 100644
--- a/apps/stage-web/uno.config.ts
+++ b/apps/stage-web/uno.config.ts
@@ -74,22 +74,18 @@ export default defineConfig({
   theme: {
     colors: {
       primary: {
-        DEFAULT: 'oklch(62% 0.20 var(--theme-colors-hue))',
-        50: 'color-mix(in srgb, oklch(95% 0.10 var(--theme-colors-hue)) 30%, oklch(100% 0 360))',
-        100: 'color-mix(in srgb, oklch(95% 0.10 var(--theme-colors-hue)) 80%, oklch(100% 0 360))',
-        200: 'oklch(90% 0.12 var(--theme-colors-hue))',
-        300: 'oklch(85% 0.20 var(--theme-colors-hue))',
-        400: 'oklch(74% 0.20 var(--theme-colors-hue))',
-        500: 'oklch(62% 0.20 var(--theme-colors-hue))',
-        600: 'oklch(54% 0.23 var(--theme-colors-hue))',
-        700: 'oklch(49% 0.21 var(--theme-colors-hue))',
-        800: 'oklch(42% 0.17 var(--theme-colors-hue))',
-        900: 'oklch(37% 0.14 var(--theme-colors-hue))',
-        950: 'oklch(29% 0.09 var(--theme-colors-hue))',
-        960: 'oklch(23% 0.09 var(--theme-colors-hue))',
-        970: 'oklch(17% 0.09 var(--theme-colors-hue))',
-        980: 'oklch(11% 0.09 var(--theme-colors-hue))',
-        990: 'oklch(6% 0.09 var(--theme-colors-hue))',
+        DEFAULT: 'oklch(62% var(--theme-colors-chroma) var(--theme-colors-hue))',
+        50: 'color-mix(in srgb, oklch(95% var(--theme-colors-chroma-50) var(--theme-colors-hue)) 30%, oklch(100% 0 360))',
+        100: 'color-mix(in srgb, oklch(95% var(--theme-colors-chroma-100) var(--theme-colors-hue)) 80%, oklch(100% 0 360))',
+        200: 'oklch(90% var(--theme-colors-chroma-200) var(--theme-colors-hue))',
+        300: 'oklch(85% var(--theme-colors-chroma-300) var(--theme-colors-hue))',
+        400: 'oklch(74% var(--theme-colors-chroma-400) var(--theme-colors-hue))',
+        500: 'oklch(62% var(--theme-colors-chroma) var(--theme-colors-hue))',
+        600: 'oklch(54% var(--theme-colors-chroma-600) var(--theme-colors-hue))',
+        700: 'oklch(49% var(--theme-colors-chroma-700) var(--theme-colors-hue))',
+        800: 'oklch(42% var(--theme-colors-chroma-800) var(--theme-colors-hue))',
+        900: 'oklch(37% var(--theme-colors-chroma-900) var(--theme-colors-hue))',
+        950: 'oklch(29% var(--theme-colors-chroma-950) var(--theme-colors-hue))',
       },
     },
   },
diff --git a/packages/stage-ui/src/components/Live2D/Model.vue b/packages/stage-ui/src/components/Live2D/Model.vue
index a61fe98b9..3a6d0bb09 100644
--- a/packages/stage-ui/src/components/Live2D/Model.vue
+++ b/packages/stage-ui/src/components/Live2D/Model.vue
@@ -7,6 +7,7 @@ import { extensions } from '@pixi/extensions'
 import { InteractionManager } from '@pixi/interaction'
 import { Ticker, TickerPlugin } from '@pixi/ticker'
 import { breakpointsTailwind, useBreakpoints, useDark, useDebounceFn, watchDebounced } from '@vueuse/core'
+import { formatHex } from 'culori'
 import localforage from 'localforage'
 import { storeToRefs } from 'pinia'
 import { DropShadowFilter } from 'pixi-filters'
@@ -65,6 +66,7 @@ const {
   availableLive2dMotions,
   live2dLoadSource,
   live2dModelUrl,
+  themeColorsHue,
 } = storeToRefs(useSettings())
 const currentMotion = ref<{ group: string, index: number }>({ group: 'Idle', index: 0 })
 
@@ -196,11 +198,15 @@ const handleResize = useDebounceFn(() => {
   }
 }, 100)
 
+const dropShadowColorComputer = ref<HTMLDivElement>()
+
 function updateDropShadowFilter() {
   if (model.value) {
+    const color = getComputedStyle(dropShadowColorComputer.value!).backgroundColor
+    const colorNumber = Number(formatHex(color)!.replace('#', '0x'))
     model.value.filters = [new DropShadowFilter({
-      color: dark.value ? 0x99667F : 0xDFB9D2,
-      alpha: 0.3,
+      color: colorNumber,
+      alpha: 0.2,
       blur: 0,
       distance: 20,
       rotation: 45,
@@ -210,7 +216,7 @@ function updateDropShadowFilter() {
 
 watch([() => props.width, () => props.height], () => handleResize())
 watch(dark, updateDropShadowFilter, { immediate: true })
-watch(model, updateDropShadowFilter)
+watch([model, themeColorsHue], updateDropShadowFilter)
 watch(mouthOpenSize, value => getCoreModel().setParameterValueById('ParamMouthOpenY', value))
 watch(pixiApp, initLive2DPixiStage)
 watch(live2dCurrentMotion, value => setMotion(value.group, value.index))
@@ -232,5 +238,6 @@ onUnmounted(() => {
 </script>
 
 <template>
+  <div ref="dropShadowColorComputer" hidden bg="primary-400 dark:primary-500" />
   <slot />
 </template>
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 8683aa2dc..4f223af6a 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -538,6 +538,9 @@ importers:
       '@xsai/utils-chat':
         specifier: 'catalog:'
         version: 0.1.2
+      culori:
+        specifier: ^4.0.1
+        version: 4.0.1
       defu:
         specifier: ^6.1.4
         version: 6.1.4
@@ -677,6 +680,9 @@ importers:
       '@shikijs/markdown-it':
         specifier: ^3.1.0
         version: 3.1.0(markdown-it-async@2.0.0)
+      '@types/culori':
+        specifier: ^2.1.1
+        version: 2.1.1
       '@types/markdown-it-link-attributes':
         specifier: ^3.0.5
         version: 3.0.5
@@ -4329,6 +4335,9 @@ packages:
   '@types/cors@2.8.17':
     resolution: {integrity: sha512-8CGDvrBj1zgo2qE+oS3pOCyYNqCPryMWY2bGfwA0dcfopWGgxs+78df0Rs3rc9THP4JkOhLsAa+15VdpAqkcUA==}
 
+  '@types/culori@2.1.1':
+    resolution: {integrity: sha512-NzLYD0vNHLxTdPp8+RlvGbR2NfOZkwxcYGFwxNtm+WH2NuUNV8785zv1h0sulFQ5aFQ9n/jNDUuJeo3Bh7+oFA==}
+
   '@types/d3-array@3.2.1':
     resolution: {integrity: sha512-Y2Jn2idRrLzUfAKV2LyRImR+y4oa2AntrgID95SHJxuMUrkNXmanDSed71sRNZysveJVt1hLLemQZIady0FpEg==}
 
@@ -6068,6 +6077,10 @@ packages:
   csstype@3.1.3:
     resolution: {integrity: sha512-M1uQkMl8rQK/szD0LNhtqxIPLpimGm8sOBwU7lLnCpSbTyY3yeU1Vc7l4KT5zT4s/yOxHH5O7tIuuLOCnLADRw==}
 
+  culori@4.0.1:
+    resolution: {integrity: sha512-LSnjA6HuIUOlkfKVbzi2OlToZE8OjFi667JWN9qNymXVXzGDmvuP60SSgC+e92sd7B7158f7Fy3Mb6rXS5EDPw==}
+    engines: {node: ^12.20.0 || ^14.13.1 || >=16.0.0}
+
   d3-array@3.2.4:
     resolution: {integrity: sha512-tdQAmyA18i4J7wprpYq8ClcxZy3SC31QMeByyCFyRt7BVHdREQZ5lpzoe5mFEYZUWe+oq8HBvk9JjpibyEV4Jg==}
     engines: {node: '>=12'}
@@ -14669,6 +14682,8 @@ snapshots:
     dependencies:
       '@types/node': 22.13.9
 
+  '@types/culori@2.1.1': {}
+
   '@types/d3-array@3.2.1': {}
 
   '@types/d3-axis@3.0.6':
@@ -17107,6 +17122,8 @@ snapshots:
 
   csstype@3.1.3: {}
 
+  culori@4.0.1: {}
+
   d3-array@3.2.4:
     dependencies:
       internmap: 2.0.3