#rrggbbaa hex color notation

- CR

Chrome

  1. 128
  2. 129
  3. 130
  4. 131
  5. 132
  6. 133
  7. 134

Edge

  1. 128
  2. 129
  3. 130
  4. 131

Safari

  1. 17.6
  2. 18.0
  3. 18.1
  4. 18.2
  5. 18.3
  6. TP

Firefox

  1. 130
  2. 131
  3. 132
  4. 133
  5. 134
  6. 135
  7. 136

Opera

  1. 111
  2. 112
  3. 113
  4. 114

IE

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

Chrome for Android

  1. 131

Safari on iOS

  1. 17.6-17.7
  2. 18.0
  3. 18.1
  4. 18.2
  5. 18.3

Samsung Internet

  1. 24
  2. 25
  3. 26
  4. 27

Opera Mini

  1. all

Opera Mobile

  1. 11.5
  2. 12
  3. 12.1
  4. 80

UC Browser for Android

  1. 15.5

Android Browser

  1. 4.2-4.3
  2. 4.4
  3. 4.4.3-4.4.4
  4. 131

Firefox for Android

  1. 132

QQ Browser

  1. 14.9

Baidu Browser

  1. 13.52

KaiOS Browser

  1. 2.5
  2. 3.0-3.1

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