diff --git a/src/store/app.ts b/src/store/app.ts
index abd824f..11dfd3d 100644
--- a/src/store/app.ts
+++ b/src/store/app.ts
@@ -1,6 +1,7 @@
 import { defineStore } from 'pinia'
 import { getLocalStorage, setLocalStorage } from 'vue3-common/utils/storageUtil'
 import { useDark, useToggle } from '@vueuse/core'
+import { darken, lighten } from '@/utils/colorUtils'
 
 export const useAppStore = defineStore('ipp', {
   state: () => ({
@@ -77,15 +78,10 @@ export const useAppStore = defineStore('ipp', {
       // 1. 设置主色
       style.setProperty('--el-color-primary', color)
 
-      // 2. 设置浅色变体（light-*）
-      style.setProperty('--el-color-primary-light-3', `color-mix(in srgb, ${color} 70%, white)`)
-      style.setProperty('--el-color-primary-light-5', `color-mix(in srgb, ${color} 50%, white)`)
-      style.setProperty('--el-color-primary-light-7', `color-mix(in srgb, ${color} 30%, white)`)
-      style.setProperty('--el-color-primary-light-8', `color-mix(in srgb, ${color} 20%, white)`)
-      style.setProperty('--el-color-primary-light-9', `color-mix(in srgb, ${color} 10%, white)`)
-
-      // 3. 设置深色变体（dark-*）
-      style.setProperty('--el-color-primary-dark-2', `color-mix(in srgb, ${color} 80%, black)`)
+      for (let i = 1; i <= 9; i++) {
+        style.setProperty(`--el-color-primary-light-${i}`, lighten(color, i / 10))
+        style.setProperty(`--el-color-primary-dark-${i}`, darken(color, i / 10))
+      }
 
       setLocalStorage('theme-color', color)
     }
diff --git a/src/utils/colorUtils.ts b/src/utils/colorUtils.ts
new file mode 100644
index 0000000..0b7e86b
--- /dev/null
+++ b/src/utils/colorUtils.ts
@@ -0,0 +1,69 @@
+/**
+ * 将十六进制颜色转换为RGB数组
+ * @param color 十六进制颜色字符串（如：#FF0000 或 FFFFFF）
+ * @returns RGB数值数组 [r, g, b]
+ */
+export const hex2Rgb = (color: string): [number, number, number] => {
+  const cleanColor = color.replace('#', '')
+  const result = cleanColor.match(/../g)?.map((val) => parseInt(val, 16)) ?? [0, 0, 0]
+
+  // 确保结果长度为3，并处理无效输入
+  if (result.length !== 3) {
+    throw new Error('Invalid hex color format')
+  }
+
+  return [result[0], result[1], result[2]]
+}
+
+/**
+ * 将RGB颜色转换为十六进制字符串
+ * @param r 红色值 (0-255)
+ * @param g 绿色值 (0-255)
+ * @param b 蓝色值 (0-255)
+ * @returns 十六进制颜色字符串（如：#FF0000）
+ */
+export const rgb2Hex = (r: number, g: number, b: number): string => {
+  const validateComponent = (val: number) => Math.max(0, Math.min(255, Math.round(val)))
+
+  const hexs = [
+    validateComponent(r).toString(16).padStart(2, '0'),
+    validateComponent(g).toString(16).padStart(2, '0'),
+    validateComponent(b).toString(16).padStart(2, '0')
+  ]
+
+  return `#${hexs.join('')}`
+}
+
+/**
+ * 调亮颜色
+ * @param color 十六进制颜色字符串
+ * @param level 亮度调整级别 (0-1)
+ * @returns 调亮后的十六进制颜色
+ */
+export const lighten = (color: string, level: number): string => {
+  const [r, g, b] = hex2Rgb(color)
+  const validateLevel = Math.max(0, Math.min(1, level))
+
+  const newR = Math.floor((255 - r) * validateLevel + r)
+  const newG = Math.floor((255 - g) * validateLevel + g)
+  const newB = Math.floor((255 - b) * validateLevel + b)
+
+  return rgb2Hex(newR, newG, newB)
+}
+
+/**
+ * 调暗颜色
+ * @param color 十六进制颜色字符串
+ * @param level 暗度调整级别 (0-1)
+ * @returns 调暗后的十六进制颜色
+ */
+export const darken = (color: string, level: number): string => {
+  const [r, g, b] = hex2Rgb(color)
+  const validateLevel = Math.max(0, Math.min(1, level))
+
+  const newR = Math.floor(r * (1 - validateLevel))
+  const newG = Math.floor(g * (1 - validateLevel))
+  const newB = Math.floor(b * (1 - validateLevel))
+
+  return rgb2Hex(newR, newG, newB)
+}