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smithery.ai

accessibility-contrast-audit

[Design System] Quantitative accessibility audit for UI - contrast ratios, font sizes, tap targets, heading hierarchy.

First seen Mar 31, 2026

Installation

$ npx skills add https://smithery.ai
View on skills.sh ↗ Website ↗

Summary

  • [Design System] Quantitative accessibility audit for UI - contrast ratios, font sizes, tap targets, heading hierarchy.
  • Use when (1) checking WCAG color contrast compliance, (2) auditing text sizes for readability, (3) validating touch/click target sizes, (4) reviewing heading structure and landmarks, (5) user asks to 'check accessibility', 'audit contrast', 'WCAG compliance', or 'a11y check'.

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Also in this package

Other skills from smithery.ai · top by installs.

npx skills add https://smithery.ai
smithery-ai-cli 7.8K frontend-design 6.2K skill-creator 2.5K ck:ui-ux-pro-max 1.3K pdf 1.2K xlsx 966 pptx 894 docx 884 webapp-testing 1 web-design-reviewer 657

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More details

Agent compatibility

Declared targets from SKILL.md / docs. Unmarked agents are not listed — the skill may still install via the CLI.

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Package contents

Files included with this skill beyond the listing page.

  • skill md SKILL.md 1,433 B
  • docs SUMMARY.md 431 B

History

  1. First seen on skills.sh
  2. First recorded snapshot · 1 installs

SKILL.md

Accessibility & Contrast Audit

Quantitative accessibility checks for contrast, font size, hit areas, and semantic structure.

Quick Start

python3 scripts/audit_accessibility.py --source src/ --tokens tokens.json

WCAG Standards Reference

Criterion Level AA Level AAA
Normal text contrast 4.5:1 7:1
Large text contrast (18px+ or 14px bold) 3:1 4.5:1
UI components/graphics 3:1 3:1
Minimum touch target 44×44px 44×44px
Minimum font size (body) 16px 16px

Problem Types

Type Severity Description
low-contrast error Text/background contrast below WCAG threshold
text-too-small warning Font size below recommended minimum
hit-area-too-small warning Touch/click target below 44×44px
heading-skip warning Heading levels skipped (h1→h3)
missing-alt error Image missing alt text