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Colour contrast audit to WCAG 2.1 v1.0.0

Use this resource to detect insufficient contrast and propose WCAG-compliant colours

New

  • 582 downloads
  • 249 likes
  • 177 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install wcag-color-contrast-audit

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent calculates the contrast ratio of text and interface elements, flags combinations that miss WCAG 2.1 thresholds and proposes replacement colours. It also reviews screenshots. You get a list of measured fixes.

Mostly picked by

Updated November 2, 2026

Card for the “Colour contrast audit to WCAG 2.1” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

Similar resources

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What you get

  • SKILL.md: WCAG thresholds, contrast ratio formula and common failure patterns
  • references/: safe colour pairs

Good fit for

  • Grey text on a light background is hard to read
  • You are preparing an accessibility check before launch

Not for

    Tags

    • contrast
    • WCAG
    • accessibility
    • colours

    About

    You say

    “Check the contrast on this page and propose AA-compliant colours for the buttons.”

    Card for the “Colour contrast audit to WCAG 2.1” skill

    Skill published by curiositech under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to detect insufficient contrast and propose WCAG-compliant colours
    3. Review and adjust the result

    Content preview

    Files

    • .claude-plugin/plugin.json0.6 KB
    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/safe-color-pairs.md7.4 KB
    • SKILL.md11.6 KB

    Origin and licence

    Listed unmodified

    Author
    curiositech
    Source
    github.com/curiositech/some_claude_skills/tree/f49825290077e5fb46bb3e867dfa8a5b0161152b/.claude/skills/color-contrast-auditor
    Licence
    MIT

    Notice

    « color-contrast-auditor » (curiositech, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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