Issues

• [mediaqueries-5] User preference for limiting HDR brightness (prefers-reduced-peak-brightness / prefers-dynamic-range)

  a11y-trackercss-color-hdr-1mediaqueries-5
  w3c/csswg-drafts#14616 · Filter by author upadhyayprakash opened on Oct 18, 2026

• [css-color-hdr] dynamic-range-limit-mix() should take an arbitrary number of components (like color-mix(), calc-mix(), etc.)

  Closed Accepted as Obvious Bugfixcss-color-hdr-1Needs Review of Test Case(s)
  w3c/csswg-drafts#14454 · Filter by author weinig opened on Sep 6, 2026
  5

• [css-color-hdr-1] Clarify parsing and serialization of hdr-color()

  css-color-hdr-1
  w3c/csswg-drafts#13597 · Filter by author cdoublev opened on Mar 4, 2026
  4

• EOTF correction / standard for alpha?

  compositing-1css-color-hdr-1
  w3c/csswg-drafts#12492 · Filter by author gregbenz opened on Jul 17, 2025
  10

• [css-color-hdr-1] Limiting "boosted SDR" HDR

  css-color-hdr-1
  w3c/csswg-drafts#12096 · Filter by author eeeps opened on Apr 17, 2025
  5

• [css-color-hdr] How to account for HDR in the cascade when UAs "limit the maximum luminance at a user option."

  css-color-hdr-1
  w3c/csswg-drafts#11790 · Filter by author cookiecrook opened on Feb 26, 2025
  5

  

• [css-color-hdr] Should CSS filters produce HDR results?

  css-color-hdr-1css-filter-effects-1
  w3c/csswg-drafts#11752 · Filter by author smfr opened on Feb 19, 2025
  4

• [css-color-hdr] Add permission policy (or other mechanism) to irreversibly limit EDR in iframes

  a11y-trackerAgenda+ TPACcss-color-hdr-1Needs Design / Proposal
  w3c/csswg-drafts#11704 · Filter by author squelart opened on Feb 13, 2025
  4

• [css-color-hdr] auto value of dynamic-range-limit

  css-color-hdr-1
  w3c/csswg-drafts#11558 · Filter by author shallawa opened on Jan 22, 2025
  27

• [css-color-hdr] How should multiple layered elements with different dynamic-range-limit values behave?

  css-color-hdr-1Needs Edits
  w3c/csswg-drafts#11307 · Filter by author weinig opened on Dec 1, 2024
  13

  

• [css-color-hdr] Requesting Absolute HDR Mode and listed differences from Adaptive HDR Mode

  css-color-hdr-1
  w3c/csswg-drafts#10998 · Filter by author comods opened on Oct 3, 2024
  4

• [css-color] Global Color Adjustments

  css-color-hdr-1
  w3c/csswg-drafts#10262 · Filter by author softworkz opened on Apr 27, 2024
  6

• [css-color-hdr-1] Compositing SDR in HDR outputs

  css-color-hdr-1
  w3c/csswg-drafts#5323 · Filter by author simontWork opened on Jul 14, 2020
  8