Oklab and OkLCh
The Oklab color space expresses colors in terms of lightness and how red/green and blue/yellow a color is, aiming to match how humans perceive colors. OkLCh is a variant of Oklab with polar coordinates. These color spaces can be used with the CSS oklab() and oklch() functions.
Status
Baseline Widely Available (since 2025-11-09)
Specifications
Browser support
- Chrome 111 Released on 2023-03-07
- Chrome Android 111 Released on 2023-03-07
- Edge 111 Released on 2023-03-13
- Firefox 113 Released on 2023-05-09
- Firefox for Android 113 Released on 2023-05-09
- Safari 15.4 Released on 2022-03-14
- Safari on iOS 15.4 Released on 2022-03-14
Developer signals
- State of CSS 2025: usage/gamechanger_feature question
- State of CSS 2025: usage/favorite_new_features question
- State of CSS 2025: usage/css_interoperability_features question
- State of CSS 2025: features/all_features question
- State of CSS 2025: colors/colors_pain_points question
- State of CSS 2024: usage/favorite_new_features question
- State of CSS 2024: usage/css_interoperability_features question
- State of CSS 2024: features/all_features question
Usage (according to Chrome Platform Status)
~2.151% of page loads. More data at chromestatus.com.
Interop
- Included in Interop 2022
- Included in Interop 2023
Web Platform Tests (WPT)
View the latest WPT test results for this featureView as JSON | Edit this feature | Report an issue | Web-features entry: source, dist