RGBBaseline · Widely available

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

Supported in all major browsers for at least 30 months — safe to use without fallbacks. Baseline since Jan 15, 2020. Widely available since Jul 15, 2022.

How to use ↓Compare browsers

Browser support

DesktopChrome

1–64Not supported

65+Supportedsince Mar 6, 2018

Current: 155

Edge

12–18Not supported

79+Supportedsince Jan 15, 2020

Current: 154

Firefox

1–51Not supported

52+Supportedsince Mar 7, 2017

Current: 157

Safari

1–12Not supported

12.1+Supportedsince Mar 25, 2019

Current: 27

MobileChrome Android

18–64Not supported

65+Supportedsince Mar 6, 2018

Current: 155

Firefox Android

4–51Not supported

52+Supportedsince Mar 7, 2017

Current: 157

Safari iOS

1–12Not supported

12.2+Supportedsince Mar 25, 2019

Current: 27

How to use

This feature is Baseline widely available — use it freely, no fallback needed.

Example

Full syntax and examples are on MDN: rgb.

Feature detection

CSS · check before using

@supports (color: color(display-p3 1 0 0)) {
  /* styles that use rgb */
}

/* or in JavaScript */
if (CSS.supports("color", "color(display-p3 1 0 0)")) {
  // use it
}

Documentation (MDN)

Specification

drafts.csswg.org#rgb-functions ↗

Sub-features

Support for each part of the feature (7). The overall table above shows when the whole feature works.

Sub-feature	Chrome	Edge	Firefox	Safari	Chrome Android	Firefox Android	Safari iOS
<color>.rgb	1	12	1	1	18	4	1
<color>.rgb.alpha_parameter	65	79	52	12.1	65	52	12.2
<color>.rgb.float_values	66	79	52	12.1	66	52	12.2
<color>.rgb.mixed_type_parameters	122	122	113	18	122	113	18
<color>.rgb.space_separated_parameters	65	79	52	12.1	65	52	12.2
<color>.rgb_hexadecimal_notation	1	12	1	1	18	4	1
<color>.rgb_hexadecimal_notation.alpha_hexadecimal_notation	62	79	49	10	62	49	9.3