Color Contrast Checker: WCAG Accessibility Tool | Zovo
Extension Delisted
This extension is no longer available in the official store. Delisted on 2026-02-21.
Extension Actions
Check WCAG color contrast compliance with auto-scan and APCA support. Free accessibility checker.
Struggling to meet WCAG accessibility standards? Manual color contrast calculations are tedious and error-prone. 🎨
Color Contrast Checker instantly analyzes color combinations on any webpage and tells you if they meet WCAG 2.1 accessibility guidelines. No more guessing whether your text is readable—get instant pass/fail results for AA and AAA compliance levels.
✨ KEY FEATURES
🔍 Instant Contrast Analysis
Pick any two colors from a webpage or enter hex/RGB values manually. Get immediate contrast ratio calculations with clear pass/fail indicators for all WCAG levels.
📊 WCAG 2.1 Compliance Levels
Check against both AA and AAA standards for normal text, large text, and graphical elements. Understand exactly where your colors stand.
🎯 Eyedropper Color Picker
Sample colors directly from any webpage element. No need to dig through code or inspect elements—just point and click.
💡 Suggested Fixes
When colors fail accessibility requirements, get intelligent suggestions for alternative colors that maintain your design intent while meeting compliance.
📋 Color Code Formats
Work with HEX, RGB, and HSL color formats. Copy values with one click for easy integration into your designs.
🔄 Real-Time Updates
Adjust colors and see contrast ratios update instantly. Perfect for fine-tuning your color choices until they pass.
PERFECT FOR:
• Web designers ensuring accessible designs
• Developers checking color compliance
• QA testers validating accessibility
• Content creators making readable content
• Anyone building for inclusivity
Built by Zovo — Making the web accessible, one color at a time 🌈