Color Contrast Checker

About

Color Contrast Checker is a simple and fast tool that helps you test the contrast ratio between two colors and verify whether they meet WCAG accessibility standards. This extension allows you to quickly check if your text and background colors are readable and accessible for all users, including those with visual impairments.

Features:

Choose foreground and background colors using built-in color pickers

View real-time contrast ratio based on WCAG formulas

Check compliance for Normal Text and Large Text

See AA and AAA pass/fail results

Copy contrast results with one click

Clean, lightweight, and easy-to-use interface

Works entirely offline — no data collected

Why Use a Contrast Checker?

Good color contrast ensures your text is readable and meets accessibility guidelines. Whether you are a designer, developer, or content creator, this tool helps you make colors accessible for everyone.

How It Works:

Pick a foreground color

Pick a background color

The extension instantly calculates the contrast ratio

View WCAG compliance for AA and AAA standards

Copy results if needed

This extension is designed to be simple, accurate, and focused on a single purpose — checking color contrast for better accessibility.