Add support for displaying HDR content in an HTMLCanvasElement. Add new HDR color spaces to PredefinedColorSpace, functionality to HTMLCanvasElement to enable display of HDR content, and functionality to ScreenAdvanced to query HDR capabilities of displays.


High dynamic range content is already available on the web in the form of HDR video and image formats. Many platforms expose HDR capabilities for online gaming. This adds HDR support to the graphics APIs on the web.

Status in Chromium


In development (tracking bug)

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.

  • No signal
  • No signal
  • No signals


Intent to Prototype url

Intent to Prototype thread


There has been lengthy discussion of this functionality in the ColorWeb CG group. The agreed-upon next step is to prototype this functionality.

Last updated on 2022-01-21