Skip to content

fix: replaced luminance threshold constant 0.03928 with 0.04045#4934

Merged
WilcoFiers merged 1 commit intodequelabs:developfrom
AdminAdi:develop
Nov 10, 2025
Merged

fix: replaced luminance threshold constant 0.03928 with 0.04045#4934
WilcoFiers merged 1 commit intodequelabs:developfrom
AdminAdi:develop

Conversation

@AdminAdi
Copy link
Copy Markdown
Contributor

@AdminAdi AdminAdi commented Nov 7, 2025

Closes: #4933

Updates the luminance calculation constant from 0.03928 to 0.04045 in lib/commons/color/get-contrast.js to align with the corrected WCAG 2.2 standard. While the practical impact on contrast ratios is minimal, this change ensures standards compliance with the current WCAG guidelines.

@AdminAdi AdminAdi requested a review from a team as a code owner November 7, 2025 17:39
@CLAassistant
Copy link
Copy Markdown

CLAassistant commented Nov 7, 2025

CLA assistant check
All committers have signed the CLA.

@WilcoFiers WilcoFiers changed the title Replaced luminance threshold constant 0.03928 with 0.04045 fix: Replaced luminance threshold constant 0.03928 with 0.04045 Nov 10, 2025
@WilcoFiers WilcoFiers changed the title fix: Replaced luminance threshold constant 0.03928 with 0.04045 fix: replaced luminance threshold constant 0.03928 with 0.04045 Nov 10, 2025
Copy link
Copy Markdown
Contributor

@WilcoFiers WilcoFiers left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Looks good to me. Thank you for the contribution @AdminAdi

For the books: I reviewed this PR for security.

@WilcoFiers WilcoFiers merged commit 316967d into dequelabs:develop Nov 10, 2025
24 of 27 checks passed
This was referenced Jan 5, 2026
WilcoFiers added a commit that referenced this pull request Jan 6, 2026
###
[4.11.1](v4.11.0...v4.11.1)
(2026-01-06)

### Bug Fixes

- allow shadow roots in axe.run contexts
([#4952](#4952))
([d4aee16](d4aee16)),
closes [#4941](#4941)
- color contrast fails for oklch and oklab with none
([#4959](#4959))
([8f249fd](8f249fd))
- **color-contrast:** do not incomplete on textarea
([#4968](#4968))
([d271788](d271788)),
closes [#4947](#4947)
- **commons/color:** Match browser behavior for out-of-gamut oklch
colors ([#4908](#4908))
([5036be8](5036be8))
- don't runs rules that select `html` on nested `html` elements
([#4969](#4969))
([1e9a5c3](1e9a5c3))
- replaced luminance threshold constant 0.03928 with 0.04045
([#4934](#4934))
([316967d](316967d)),
closes [#4933](#4933)
- **rgaa:** adjust mapping of aria-hidden-\* and valid-lang
([#4935](#4935))
([77571f2](77571f2))
- **valid-lang:** update valid-langs for newer language codes
([#4966](#4966))
([c3f5446](c3f5446)),
closes [#4963](#4963)

This PR was opened by a robot 🤖 🎉
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Labels

None yet

Projects

None yet

Development

Successfully merging this pull request may close these issues.

Correct axe-core luminance number

3 participants