diff --git a/src/i18n/resources/en.json b/src/i18n/resources/en.json
index 4cf482aa..74a4dc8a 100644
--- a/src/i18n/resources/en.json
+++ b/src/i18n/resources/en.json
@@ -237,7 +237,8 @@
           "submenu": {
             "percent": "{{ratio}}%"
           }
-        }
+        },
+        "enable-seekbar": "Enable seekbar theming"
       },
       "name": "Album Color Theme"
     },
diff --git a/src/i18n/resources/ko.json b/src/i18n/resources/ko.json
index eb5e3f98..0cc6b2d6 100644
--- a/src/i18n/resources/ko.json
+++ b/src/i18n/resources/ko.json
@@ -237,7 +237,8 @@
           "submenu": {
             "percent": "{{ratio}}%"
           }
-        }
+        },
+        "enable-seekbar": "재생바 색조 변경 활성화"
       },
       "name": "앨범 컬러 기반 테마"
     },
diff --git a/src/plugins/album-color-theme/index.ts b/src/plugins/album-color-theme/index.ts
index e8a78945..08048b9b 100644
--- a/src/plugins/album-color-theme/index.ts
+++ b/src/plugins/album-color-theme/index.ts
@@ -10,41 +10,32 @@ const COLOR_KEY = '--ytmusic-album-color';
 const DARK_COLOR_KEY = '--ytmusic-album-color-dark';
 const RATIO_KEY = '--ytmusic-album-color-ratio';
 
-export default createPlugin<
-  unknown,
-  unknown,
-  {
-    color?: ColorInstance;
-    darkColor?: ColorInstance;
+type Config = {
+  enabled: boolean;
+  ratio: number;
+  enableSeekbar: boolean;
+};
 
-    playerPage: HTMLElement | null;
-    navBarBackground: HTMLElement | null;
-    ytmusicPlayerBar: HTMLElement | null;
-    playerBarBackground: HTMLElement | null;
-    sidebarBig: HTMLElement | null;
-    sidebarSmall: HTMLElement | null;
-    ytmusicAppLayout: HTMLElement | null;
+type Renderer = {
+  getMixedColor(
+    color: string,
+    key: string,
+    alpha?: number,
+    ratioMultiply?: number,
+  ): string;
+  updateColor(alpha: number): void;
+  onConfigChange(newConfig: Config): void;
+};
 
-    getMixedColor(
-      color: string,
-      key: string,
-      alpha?: number,
-      ratioMultiply?: number,
-    ): string;
-    updateColor(alpha: number): void;
-  },
-  {
-    enabled: boolean;
-    ratio: number;
-  }
->({
+export default createPlugin({
   name: () => t('plugins.album-color-theme.name'),
   description: () => t('plugins.album-color-theme.description'),
   restartNeeded: false,
   config: {
     enabled: false,
     ratio: 0.5,
-  },
+    enableSeekbar: true,
+  } satisfies Config as Config,
   stylesheets: [style],
   menu: async ({ getConfig, setConfig }) => {
     const ratioList = [0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1];
@@ -68,18 +59,28 @@ export default createPlugin<
           },
         })),
       },
+      {
+        label: t('plugins.album-color-theme.menu.enable-seekbar'),
+        type: 'checkbox',
+        checked: config.enableSeekbar,
+        click(item) {
+          setConfig({ enableSeekbar: item.checked });
+        },
+      },
     ];
   },
   renderer: {
-    playerPage: null,
-    navBarBackground: null,
-    ytmusicPlayerBar: null,
-    playerBarBackground: null,
-    sidebarBig: null,
-    sidebarSmall: null,
-    ytmusicAppLayout: null,
+    playerPage: null as HTMLElement | null,
+    navBarBackground: null as HTMLElement | null,
+    ytmusicPlayerBar: null as HTMLElement | null,
+    playerBarBackground: null as HTMLElement | null,
+    sidebarBig: null as HTMLElement | null,
+    sidebarSmall: null as HTMLElement | null,
+    ytmusicAppLayout: null as HTMLElement | null,
+    color: null as ColorInstance | null,
+    darkColor: null as ColorInstance | null,
 
-    async start({ getConfig }) {
+    start() {
       this.playerPage = document.querySelector<HTMLElement>('#player-page');
       this.navBarBackground = document.querySelector<HTMLElement>(
         '#nav-bar-background',
@@ -94,14 +95,11 @@ export default createPlugin<
         '#mini-guide-background',
       );
       this.ytmusicAppLayout = document.querySelector<HTMLElement>('#layout');
-
-      const config = await getConfig();
-      document.documentElement.style.setProperty(
-        RATIO_KEY,
-        `${~~(config.ratio * 100)}%`,
-      );
     },
-    onPlayerApiReady(playerApi) {
+    async onPlayerApiReady(playerApi, { getConfig }) {
+      const config = await getConfig();
+      (this as Renderer).onConfigChange(config);
+
       const fastAverageColor = new FastAverageColor();
 
       document.addEventListener('videodatachange', async (event) => {
@@ -152,7 +150,7 @@ export default createPlugin<
             alpha = value;
           }
         }
-        this.updateColor(alpha ?? 1);
+        (this as Renderer).updateColor(alpha ?? 1);
       });
     },
     onConfigChange(config) {
@@ -160,8 +158,15 @@ export default createPlugin<
         RATIO_KEY,
         `${~~(config.ratio * 100)}%`,
       );
+      if (config.enableSeekbar) document.body.classList.add('seekbar-theme');
+      else document.body.classList.remove('seekbar-theme');
     },
-    getMixedColor(color: string, key: string, alpha = 1, ratioMultiply) {
+    getMixedColor(
+      color: string,
+      key: string,
+      alpha = 1,
+      ratioMultiply?: number,
+    ) {
       const keyColor = `rgba(var(${key}), ${alpha})`;
 
       let colorRatio = `var(${RATIO_KEY}, 50%)`;
@@ -207,26 +212,39 @@ export default createPlugin<
         '--yt-spec-black-pure-alpha-80': 'rgba(0,0,0,0.8)',
         '--yt-spec-black-1-alpha-98': 'rgba(40,40,40,0.98)',
         '--yt-spec-black-1-alpha-95': 'rgba(40,40,40,0.95)',
+        '--paper-toast-background-color': '#323232',
+        '--ytmusic-search-background': '#030303',
+        '--paper-slider-knob-color': '#f03',
+        '--paper-dialog-background-color': '#212121',
+        '--paper-progress-active-color-1': '#f03',
+        '--paper-progress-active-color-2': '#ff2791',
+        '--yt-spec-inverted-background': '#f3f3f3',
+        'background': 'rgba(3, 3, 3)',
+        '--ytmusic-background': 'rgba(3, 3, 3)',
       };
+
+      const colorKeyMap: Record<string, string> = {
+        'background': DARK_COLOR_KEY,
+        '--ytmusic-background': DARK_COLOR_KEY,
+      };
+
+      const ratioMap: Record<string, number> = {
+        '--paper-progress-active-color-1': 1.75,
+        '--paper-progress-active-color-2': 1.75,
+        '--yt-spec-inverted-background': 1.75,
+      };
+
+      const getMixedColor = (this as Renderer).getMixedColor.bind(this);
       Object.entries(variableMap).map(([variable, color]) => {
+        const key = colorKeyMap[variable] ?? COLOR_KEY;
+        const ratio = ratioMap[variable] ?? undefined;
+
         document.documentElement.style.setProperty(
           variable,
-          this.getMixedColor(color, COLOR_KEY, alpha),
+          getMixedColor(color, key, alpha, ratio),
           'important',
         );
       });
-
-      document.body.style.setProperty(
-        'background',
-        this.getMixedColor('rgba(3, 3, 3)', DARK_COLOR_KEY, alpha),
-        'important',
-      );
-      document.documentElement.style.setProperty(
-        '--ytmusic-background',
-        // #030303
-        this.getMixedColor('rgba(3, 3, 3)', DARK_COLOR_KEY, alpha),
-        'important',
-      );
     },
   },
 });
diff --git a/src/plugins/album-color-theme/style.css b/src/plugins/album-color-theme/style.css
index 8d82160e..ec36c097 100644
--- a/src/plugins/album-color-theme/style.css
+++ b/src/plugins/album-color-theme/style.css
@@ -81,3 +81,14 @@ ytmusic-browse-response[has-background]:not([disable-gradient]) .background-grad
 #background.immersive-background.style-scope.ytmusic-browse-response {
   opacity: 0.6;
 }
+
+ytmusic-search-box[is-bauhaus-sidenav-enabled] {
+  --ytmusic-search-background: var(--ytmusic-color-black3) !important;
+}
+
+.seekbar-theme #progress-bar.ytmusic-player-bar {
+  --paper-slider-active-color: linear-gradient(to right, var(--paper-progress-active-color-1) 80%, var(--paper-progress-active-color-2) 100%) !important;
+  --paper-slider-knob-color: var(--paper-progress-active-color-1) !important;
+  --paper-slider-knob-start-color: var(--paper-progress-active-color-2) !important;
+}
+