diff --git a/packages/main/src/plugin/color-registry.spec.ts b/packages/main/src/plugin/color-registry.spec.ts
index 8ee7cf52d36..5443fdb62f0 100644
--- a/packages/main/src/plugin/color-registry.spec.ts
+++ b/packages/main/src/plugin/color-registry.spec.ts
@@ -196,9 +196,9 @@ test('init', async () => {
 });
 
 test('initColors', async () => {
-  // spy on registerColor but let it actually register colors
+  // mock the registerColor
   const spyOnRegisterColor = vi.spyOn(colorRegistry, 'registerColor');
-  // Don't mock it - let it call through to the real implementation
+  spyOnRegisterColor.mockReturnValue(undefined);
 
   colorRegistry.initColors();
 
@@ -226,7 +226,7 @@ describe('initTitlebar', () => {
 
     // check the first call
     expect(spyOnRegisterColor.mock.calls[0]?.[0]).toStrictEqual('titlebar-bg');
-    expect(spyOnRegisterColor.mock.calls[0]?.[1].light).toBe(tailwindColorPalette.gray[50]);
+    expect(spyOnRegisterColor.mock.calls[0]?.[1].light).toBe('#f9fafb');
     expect(spyOnRegisterColor.mock.calls[0]?.[1].dark).toBe('#202020');
   });
 
@@ -247,7 +247,7 @@ describe('initTitlebar', () => {
 
     // check the first call
     expect(spyOnRegisterColor.mock.calls[0]?.[0]).toStrictEqual('titlebar-bg');
-    expect(spyOnRegisterColor.mock.calls[0]?.[1].light).toBe(tailwindColorPalette.gray[50]);
+    expect(spyOnRegisterColor.mock.calls[0]?.[1].light).toBe('#f9fafb');
     expect(spyOnRegisterColor.mock.calls[0]?.[1].dark).toBe('#0f0f11');
   });
 });
@@ -450,7 +450,7 @@ describe('registerExtensionThemes', () => {
     // now check for a color not defined in 'light-theme1'
     const titlebarTextColorLight = colorsLight.find(c => c.id === 'titlebar-text');
     expect(titlebarTextColorLight).toBeDefined();
-    expect(titlebarTextColorLight?.value).toBe(tailwindColorPalette.purple[900]);
+    expect(titlebarTextColorLight?.value).toBe('#37255d');
   });
 
   test('check dispose on Windows', async () => {
diff --git a/packages/main/src/plugin/color-registry.ts b/packages/main/src/plugin/color-registry.ts
index 89bf2d61fde..49815523619 100644
--- a/packages/main/src/plugin/color-registry.ts
+++ b/packages/main/src/plugin/color-registry.ts
@@ -38,10 +38,8 @@ const {
   fuchsia,
   gray,
   green,
-  slate,
   neutral,
   purple,
-  violet,
   red,
   sky,
   stone,
@@ -1006,132 +1004,101 @@ export class ColorRegistry {
     const button = 'button-';
 
     this.registerColor(`${button}primary-bg`, {
-      dark: violet[600],
-      light: violet[700],
+      dark: purple[600],
+      light: purple[600],
     });
-
     this.registerColor(`${button}primary-hover-bg`, {
-      dark: violet[500],
-      light: violet[600],
+      dark: purple[500],
+      light: purple[500],
     });
-
     this.registerColor(`${button}secondary`, {
-      dark: transparent,
-      light: violet[200],
+      dark: gray[200],
+      light: purple[600],
     });
-
     this.registerColor(`${button}secondary-hover`, {
-      dark: slate[700],
-      light: violet[100],
+      dark: purple[500],
+      light: purple[500],
     });
-
     this.registerColor(`${button}text`, {
       dark: white,
       light: white,
     });
-
     this.registerColor(`${button}disabled`, {
-      dark: stone[700],
-      light: stone[300],
+      dark: charcoal[300],
+      light: gray[600],
     });
-
     this.registerColor(`${button}disabled-text`, {
       dark: charcoal[50],
       light: gray[900],
     });
-
-    this.registerColorDefinition(
-      this.color(`${button}danger-border`)
-        .withLight(colorPaletteHelper(red[700]))
-        .withDark(colorPaletteHelper(red[200]).withAlpha(0.4))
-        .build(),
-    );
-
-    this.registerColor(`${button}danger-bg`, {
-      dark: red[600],
-      light: red[200],
-    });
-
-    this.registerColor(`${button}danger-text`, {
-      dark: white,
+    this.registerColor(`${button}danger-border`, {
+      dark: red[500],
+      light: red[700],
+    });
+    this.registerColor(`${button}danger-bg`, {
+      dark: transparent,
+      light: transparent,
+    });
+    this.registerColor(`${button}danger-text`, {
+      dark: red[500],
       light: red[700],
     });
-
-    // deprecated since 2026-02-06. See https://github.com/podman-desktop/podman-desktop/pull/14876
-    // Use `button-danger-text` instead
     this.registerColor(`${button}danger-hover-text`, {
       dark: white,
-      light: red[700],
+      light: white,
     });
-
     this.registerColor(`${button}danger-hover-bg`, {
-      dark: red[500],
-      light: red[100],
-    });
-
-    this.registerColor(`${button}danger-disabled-border`, {
       dark: red[600],
-      light: red[200],
+      light: red[600],
+    });
+    this.registerColor(`${button}danger-disabled-border`, {
+      dark: charcoal[50],
+      light: gray[900],
     });
-
-    // deprecated since 2026-02-06. See https://github.com/podman-desktop/podman-desktop/pull/14876
-    // Unused color (danger buttons always use `button-danger-text`)
     this.registerColor(`${button}danger-disabled-text`, {
-      dark: white,
-      light: red[700],
+      dark: charcoal[50],
+      light: gray[900],
     });
-
     this.registerColor(`${button}danger-disabled-bg`, {
       dark: transparent,
       light: transparent,
     });
-
     this.registerColor(`${button}tab-border`, {
       dark: transparent,
       light: transparent,
     });
-
     this.registerColor(`${button}tab-border-selected`, {
       dark: purple[500],
       light: purple[600],
     });
-
     this.registerColor(`${button}tab-hover-border`, {
-      dark: slate[700],
-      light: violet[100],
+      dark: charcoal[100],
+      light: gray[600],
     });
-
     this.registerColor(`${button}tab-text`, {
       dark: gray[400],
       light: charcoal[200],
     });
-
     this.registerColor(`${button}tab-text-selected`, {
       dark: white,
       light: black,
     });
-
     this.registerColorDefinition(
       this.color(`${button}close-hover-bg`)
         .withLight(colorPaletteHelper(black).withAlpha(0.13))
         .withDark(colorPaletteHelper(white).withAlpha(0.13))
         .build(),
     );
-
     this.registerColor(`${button}link-text`, {
       dark: purple[400],
       light: purple[700],
     });
-
     this.registerColorDefinition(
       this.color(`${button}link-hover-bg`)
         .withLight(colorPaletteHelper(black).withAlpha(0.13))
         .withDark(colorPaletteHelper(white).withAlpha(0.13))
         .build(),
     );
-
-    // deprecated since 2026-02-06. See https://github.com/podman-desktop/podman-desktop/pull/14876
-    // Unused color
     this.registerColor(`${button}help-link-text`, {
       dark: gray[100],
       light: charcoal[900],
diff --git a/tailwind-color-palette.json b/tailwind-color-palette.json
index 6070dfdb2f6..66732b4803e 100644
--- a/tailwind-color-palette.json
+++ b/tailwind-color-palette.json
@@ -1,16 +1,16 @@
 {
   "amber": {
-    "50": "oklch(98.7% 0.022 95.277)",
-    "100": "oklch(96.2% 0.059 95.617)",
-    "200": "oklch(92.4% 0.12 95.746)",
-    "300": "oklch(87.9% 0.169 91.605)",
-    "400": "oklch(82.8% 0.189 84.429)",
-    "500": "oklch(76.9% 0.188 70.08)",
-    "600": "oklch(66.6% 0.179 58.318)",
-    "700": "oklch(55.5% 0.163 48.998)",
-    "800": "oklch(47.3% 0.137 46.201)",
-    "900": "oklch(41.4% 0.112 45.904)",
-    "950": "oklch(27.9% 0.077 45.635)"
+    "50": "#fffbeb",
+    "100": "#fef3c7",
+    "200": "#fde68a",
+    "300": "#fcd34d",
+    "400": "#fbbf24",
+    "500": "#f59e0b",
+    "600": "#d97706",
+    "700": "#b45309",
+    "800": "#92400e",
+    "900": "#78350f",
+    "950": "#451a03"
   },
   "black": "#000",
   "charcoal": {
@@ -38,83 +38,77 @@
     "900": "#4a406f"
   },
   "fuchsia": {
-    "50": "oklch(97.7% 0.017 320.058)",
-    "100": "oklch(95.2% 0.037 318.852)",
-    "200": "oklch(90.3% 0.076 319.62)",
-    "300": "oklch(83.3% 0.145 321.434)",
-    "400": "oklch(74% 0.238 322.16)",
-    "500": "oklch(66.7% 0.295 322.15)",
-    "600": "oklch(59.1% 0.293 322.896)",
-    "700": "oklch(51.8% 0.253 323.949)",
-    "800": "oklch(45.2% 0.211 324.591)",
-    "900": "oklch(40.1% 0.17 325.612)",
-    "950": "oklch(29.3% 0.136 325.661)"
+    "50": "#fdf2ff",
+    "100": "#f9e3ff",
+    "200": "#f4c6ff",
+    "300": "#f099ff",
+    "400": "#e85dff",
+    "500": "#d721ff",
+    "600": "#c200ff",
+    "700": "#a200cf",
+    "800": "#8600a9",
+    "900": "#710689"
   },
   "gray": {
     "25": "#fefefe",
-    "50": "oklch(98.5% 0.002 247.839)",
-    "100": "oklch(96.7% 0.003 264.542)",
-    "200": "oklch(92.8% 0.006 264.531)",
-    "300": "oklch(87.2% 0.01 258.338)",
-    "400": "oklch(70.7% 0.022 261.325)",
-    "500": "oklch(55.1% 0.027 264.364)",
-    "600": "oklch(44.6% 0.03 256.802)",
-    "700": "oklch(37.3% 0.034 259.733)",
-    "800": "oklch(27.8% 0.033 256.848)",
-    "900": "oklch(21% 0.034 264.665)",
-    "950": "oklch(13% 0.028 261.692)"
+    "50": "#f9fafb",
+    "100": "#f6f6f6",
+    "200": "#efefef",
+    "300": "#e4e4e4",
+    "400": "#d1d1d1",
+    "500": "#c8c8c8",
+    "600": "#b4b4b4",
+    "700": "#aaabac",
+    "800": "#9a9a9a",
+    "900": "#818181"
   },
   "green": {
-    "50": "oklch(98.2% 0.018 155.826)",
-    "100": "oklch(96.2% 0.044 156.743)",
-    "200": "oklch(92.5% 0.084 155.995)",
-    "300": "oklch(87.1% 0.15 154.449)",
-    "400": "oklch(79.2% 0.209 151.711)",
-    "500": "oklch(72.3% 0.219 149.579)",
-    "600": "oklch(62.7% 0.194 149.214)",
-    "700": "oklch(52.7% 0.154 150.069)",
-    "800": "oklch(44.8% 0.119 151.328)",
-    "900": "oklch(39.3% 0.095 152.535)",
-    "950": "oklch(26.6% 0.065 152.934)"
+    "50": "#f0f9f0",
+    "100": "#ddefdc",
+    "200": "#bbdfbb",
+    "300": "#8ec792",
+    "400": "#64ad6c",
+    "500": "#3c8d47",
+    "600": "#2b7037",
+    "700": "#225a2d",
+    "800": "#1d4825",
+    "900": "#193b20"
   },
   "purple": {
-    "50": "oklch(97.7% 0.014 308.299)",
-    "100": "oklch(94.6% 0.033 307.174)",
-    "200": "oklch(90.2% 0.063 306.703)",
-    "300": "oklch(82.7% 0.119 306.383)",
-    "400": "oklch(71.4% 0.203 305.504)",
-    "500": "oklch(62.7% 0.265 303.9)",
-    "600": "oklch(55.8% 0.288 302.321)",
-    "700": "oklch(49.6% 0.265 301.924)",
-    "800": "oklch(43.8% 0.218 303.724)",
-    "900": "oklch(38.1% 0.176 304.987)",
-    "950": "oklch(29.1% 0.149 302.717)"
+    "50": "#f7f3ff",
+    "100": "#efe9fe",
+    "200": "#e2d6fe",
+    "300": "#bfa7f6",
+    "400": "#ad8bfa",
+    "500": "#8b5cf6",
+    "600": "#6d48bf",
+    "700": "#6234b1",
+    "800": "#4d2d87",
+    "900": "#37255d"
   },
   "red": {
-    "50": "oklch(97.1% 0.013 17.38)",
-    "100": "oklch(93.6% 0.032 17.717)",
-    "200": "oklch(88.5% 0.062 18.334)",
-    "300": "oklch(80.8% 0.114 19.571)",
-    "400": "oklch(70.4% 0.191 22.216)",
-    "500": "oklch(63.7% 0.237 25.331)",
-    "600": "oklch(57.7% 0.245 27.325)",
-    "700": "oklch(50.5% 0.213 27.518)",
-    "800": "oklch(44.4% 0.177 26.899)",
-    "900": "oklch(39.6% 0.141 25.723)",
-    "950": "oklch(25.8% 0.092 26.042)"
+    "50": "#fff4f1",
+    "100": "#ffe7e1",
+    "200": "#ffd1c7",
+    "300": "#ffb3a1",
+    "400": "#ff866a",
+    "500": "#f86847",
+    "600": "#e5421d",
+    "700": "#c13414",
+    "800": "#9f2f15",
+    "900": "#842c18"
   },
   "sky": {
-    "50": "oklch(97.7% 0.013 236.62)",
-    "100": "oklch(95.1% 0.026 236.824)",
-    "200": "oklch(90.1% 0.058 230.902)",
-    "300": "oklch(82.8% 0.111 230.318)",
-    "400": "oklch(74.6% 0.16 232.661)",
-    "500": "oklch(68.5% 0.169 237.323)",
-    "600": "oklch(58.8% 0.158 241.966)",
-    "700": "oklch(50% 0.134 242.749)",
-    "800": "oklch(44.3% 0.11 240.79)",
-    "900": "oklch(39.1% 0.09 240.876)",
-    "950": "oklch(29.3% 0.066 243.157)"
+    "50": "#f2f8fd",
+    "100": "#e5eff9",
+    "200": "#c4def3",
+    "300": "#90c3e9",
+    "400": "#51a2da",
+    "500": "#2f88c8",
+    "600": "#206ca9",
+    "700": "#1b5789",
+    "800": "#1a4a72",
+    "900": "#1b3f5f"
   },
   "slate": {
     "50": "oklch(98.4% 0.003 247.858)",