#rrggbbaa hex color notation

- UNOFF

IE

  1. 8
  2. 9
  3. 10
  4. 11

Edge

  1. 81
  2. 83
  3. 84
  4. 85

Firefox

  1. 77
  2. 78
  3. 79
  4. 80
  5. 81
  6. 82

Chrome

  1. 81
  2. 83
  3. 84
  4. 85
  5. 86
  6. 87
  7. 88

Safari

  1. 12.1
  2. 13
  3. 13.1
  4. 14
  5. TP

Opera

  1. 67
  2. 68
  3. 69
  4. 70

iOS Safari

  1. 13.2
  2. 13.3
  3. 13.4-13.7
  4. 14.0

Opera Mini

  1. all

Android Browser

  1. 4.2-4.3
  2. 4.4
  3. 4.4.3-4.4.4
  4. 81

Blackberry Browser

  1. 7
  2. 10

Opera Mobile

  1. 11.5
  2. 12
  3. 12.1
  4. 46

Chrome for Android

  1. 85

Firefox for Android

  1. 79

IE Mobile

  1. 10
  2. 11

UC Browser for Android

  1. 12.12

Samsung Internet

  1. 9.2
  2. 10.1
  3. 11.1-11.2
  4. 12.0

QQ Browser

  1. 10.4

Baidu Browser

  1. 7.12

KaiOS Browser

  1. 2.5

Only supported in Android WebViews in apps that target Android Pie, due to this issue