Issues

• [css-color-5] Horizontal review, 2026

  Administrative Trackercss-color-5
  w3c/csswg-drafts#14638 · Filter by author svgeesus opened on Oct 20, 2026
  3

• [css-color-5] Serialize omitted percentages in color-mix() to 0% when the specified sum is greater than 100%

  css-color-5
  Bug

  w3c/csswg-drafts#14487 · Filter by author cdoublev opened on Sep 14, 2026

• [css-color-5] Allow omitting percentages when serializing color-mix() in more cases

  css-color-5css-values-5Needs Testcase (WPT)
  w3c/csswg-drafts#14465 · Filter by author weinig opened on Sep 9, 2026
  3

• [css-color-5] how to handle/avoid clamping in relative color syntax

  css-color-5
  w3c/csswg-drafts#14463 · Filter by author romainmenke opened on Sep 9, 2026
  5

• [css-color-5] 11.2. Serializing Origin Colors does not cover light-dark()

  css-color-5
  w3c/csswg-drafts#14115 · Filter by author svgeesus opened on Jun 30, 2026
  1

• [css-color-5] calc(infinity) in relative color and interpolation

  css-color-5
  w3c/csswg-drafts#14088 · Filter by author romainmenke opened on Jun 26, 2026
  11

• [css-color-5] Clarification on resolved value of the alpha() function

  css-color-5Needs Edits
  w3c/csswg-drafts#13994 · Filter by author weinig opened on May 31, 2026
  21

  

• [css-color][css-images][css-ui] Allow light-dark(<image>, <image>) in cursor

  css-color-5css-images-4css-ui-4
  w3c/csswg-drafts#13993 · Filter by author nt1m opened on May 31, 2026
  16

• [css-color-5] Serialization of the alpha() function is not specified

  Closed Accepted as Obvious Bugfixcss-color-5
  w3c/csswg-drafts#13992 · Filter by author weinig opened on May 31, 2026
  7

  

• [css-color-5] [css-values] Using color components in trigonometric functions in relative color syntax yield different results in different browsers

  css-color-5Needs Edits
  w3c/csswg-drafts#13938 · Filter by author alinnert opened on May 17, 2026
  5

  

• [css-color-5] What is the computed value of light-dark(none, none)?

  css-color-5css-color-adjust-1Needs EditsNeeds Testcase (WPT)
  w3c/csswg-drafts#13866 · Filter by author lilles opened on Apr 30, 2026
  13

• [css-color-5] light-dark() should resolve at used value time, not computed value time

  css-color-5css-color-adjust-1
  w3c/csswg-drafts#13836 · Filter by author LeaVerou opened on Apr 23, 2026
  21

• [css-color-5] Moving towards CR Snapshot

  Administrative Trackercss-color-5
  w3c/csswg-drafts#13705 · Filter by author svgeesus opened on Mar 23, 2026
  3

  

• [css-color-5] color-mix() serialization is outdated

  Closed Accepted by CSSWG Resolutioncss-color-5Needs EditsNeeds Testcase (WPT)
  w3c/csswg-drafts#13320 · Filter by author AtkinsSJ opened on Jan 9, 2026
  15

  

• [css-color][css-animations] Is it specified anywhere that a color animation at time=0 exactly match the from color's computed value?

  css-animations-1css-color-5Needs Example or FigureNeeds Testcase (WPT)spec-test-mismatch
  w3c/csswg-drafts#13269 · Filter by author weinig opened on Dec 25, 2025
  10

• [css-conditional-5][css-color] Define style() color comparison in more precise terms

  Closed Accepted by CSSWG Resolutioncss-color-5css-conditional-5Needs Testcase (WPT)
  w3c/csswg-drafts#13157 · Filter by author LeaVerou opened on Nov 25, 2025
  21

• [css-color-adjust][css-color] Expose user agent native theme colors to CSS

  css-color-5css-color-adjust-1
  w3c/csswg-drafts#12837 · Filter by author sashafirsov opened on Sep 21, 2025
  9

• [css-color-5] Should origin colors serialize as their declared value?

  css-color-5Needs Testcase (WPT)spec-test-mismatch
  w3c/csswg-drafts#12543 · Filter by author Gingeh opened on Jul 30, 2025
  2

• [css-values-5] Express which keywords are valid in calculations in syntax definitions

  css-color-5
  w3c/csswg-drafts#11505 · Filter by author romainmenke opened on Jan 15, 2025
  4

• [css-color-5] Edge cases for color-mix() percentage serialization questions

  Closed Accepted by CSSWG Resolutioncss-color-5Needs Edits
  w3c/csswg-drafts#10772 · Filter by author weinig opened on Aug 23, 2024
  17

  

• [css-color] Inconsistency of inherited value for color

  css-cascade-5css-color-4css-color-5Needs Review of Test Case(s)spec-test-mismatch
  w3c/csswg-drafts#10536 · Filter by author matthiasclasen opened on Jul 6, 2024
  7

• [css-color-5] Should intermediate out of range values be preserved in color-mix?

  css-color-5Needs Feedback/Review
  w3c/csswg-drafts#10414 · Filter by author cdoublev opened on Jun 10, 2024
  5

• [css-color-5] Should colors nested in a parent color function (RCS, color-mix, light-dark, color-contrast) serialize in their most precision saving form

  Closed Accepted by CSSWG Resolutioncss-color-5Needs Editsspec-test-mismatch
  w3c/csswg-drafts#10328 · Filter by author weinig opened on May 13, 2024
  27

• [css-color-5] Declared value serializations of absolute and relative colors

  Closed Accepted by CSSWG Resolutioncss-color-4css-color-5Needs Example or Figure
  w3c/csswg-drafts#10305 · Filter by author weinig opened on May 10, 2024
  5

  

• [css-color-5] RCS channel keywords interaction with calc() is underspecified

  css-color-5Needs EditsNeeds Testcase (WPT)
  w3c/csswg-drafts#10280 · Filter by author weinig opened on May 4, 2024
  3