RGB

The rgb(), rgba(), and hexadecimal (as in #004488ff`) notations pick colors using red, green, blue, and alpha (transparency) channels.

Learning resources on MDN

• rgb()
• <hex-color>

Browser support

• Chrome 65 Released on 2018-03-06
• Chrome Android 65 Released on 2018-03-06
• Edge 79 Released on 2020-01-15
• Firefox 52 Released on 2017-03-07
• Firefox for Android 52 Released on 2017-03-07
• Safari 12.1 Released on 2019-03-25
• Safari on iOS 12.2 Released on 2019-03-25

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