theme-color Meta Tag

- LS

Meta tag to define a suggested color that browsers should use to customize the display of the page or of the surrounding user interface. The meta tag overrides any theme-color set in the web app manifest.

Chrome

  1. 4 - 38: Not supported
  2. 39 - 72: Not supported
  3. 73 - 142: Partial support
  4. 143: Partial support
  5. 144 - 146: Partial support

Edge

  1. 12 - 142: Not supported
  2. 143: Not supported

Safari

  1. 3.1 - 14.1: Not supported
  2. 15 - 18.6: Supported
  3. 26.0 - 26.1: Partial support
  4. 26.2: Partial support
  5. 26.3 - TP: Partial support

Firefox

  1. 2 - 145: Not supported
  2. 146: Not supported
  3. 147 - 149: Not supported

Opera

  1. 9 - 124: Not supported
  2. 125: Not supported

IE

  1. 5.5 - 10: Not supported
  2. 11: Not supported

Chrome for Android

  1. 143: Partial support

Safari on iOS

  1. 3.2 - 14.8: Not supported
  2. 15 - 18.7: Supported
  3. 26.0 - 26.1: Not supported
  4. 26.2: Not supported
  5. 26.3: Not supported

Samsung Internet

  1. 4: Not supported
  2. 5: Support unknown
  3. 6.2 - 28: Supported
  4. 29: Supported

Opera Mini

  1. all: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 80: Not supported

UC Browser for Android

  1. 15.5: Not supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 143: Not supported

Firefox for Android

  1. 146: Not supported

QQ Browser

  1. 14.9: Not supported

Baidu Browser

  1. 13.52: Not supported

KaiOS Browser

  1. 2.5: Not supported
  2. 3: Not supported

Vivaldi browser (Chromium based) supports this feature in both mobile and desktop version. Also supported in the (now discontinued) Firefox OS.

Resources:
Firefox for Android implementation bug
Google Developers article