Can I use
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CSS text-stroke and text-fill

- UNOFF

Method of declaring the outline (stroke) width and color for text.

Chrome

  1. 4 - 116: Supported
  2. 117: Supported
  3. 118 - 120: Supported

Edge

  1. 12 - 14: Not supported
  2. 15 - 18: Supported
  3. 79 - 116: Supported
  4. 117: Supported

Safari

  1. 3.1 - 16.6: Supported
  2. 17.0: Supported
  3. 17.1 - TP: Supported

Firefox

  1. 2 - 47: Not supported
  2. 48: Disabled by default
  3. 49 - 116: Supported
  4. 117: Supported
  5. 118 - 120: Supported

Opera

  1. 9 - 12.1: Not supported
  2. 15 - 101: Supported
  3. 102: Supported

IE

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

Chrome for Android

  1. 117: Supported

Safari on iOS

  1. 3.2: Partial support
  2. 4 - 16.6: Supported
  3. 17.0: Supported
  4. 17.1: Supported

Samsung Internet

  1. 4 - 21: Supported
  2. 22: Supported

Opera Mini

  1. all: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 73: Supported

UC Browser for Android

  1. 15.5: Supported

Android Browser

  1. 2.1 - 2.3: Supported
  2. 3: Not supported
  3. 4 - 4.4.4: Supported
  4. 117: Supported

Firefox for Android

  1. 117: Supported

QQ Browser

  1. 13.1: Supported

Baidu Browser

  1. 13.18: Supported

KaiOS Browser

  1. 2.5: Supported
  2. 3: Supported

Does not yet appear in any W3C specification. Was briefly included in a spec as the "text-outline" property, but this was removed.

Resources:
Information & workarounds
MDN Web Docs - text-stroke
Live editor