As HDR-supported displays become more common, web developers need ways to enable HDR content on their web pages without compromising the experience for users of non-HDR displays, or mixed-HDR multi-display setups. CSS already provides the 'media query' concept for toggling rules based on display device characteristics, and this feature extends that set of queries to enable detecting HDR support on the current display device.
Unknown standards status - check spec link for status
Status in Chromium
In developer trial (Behind a flag)
Consensus & Standardization
Last updated on 2022-01-14