Contrast Check – WCAG Color Tester

About

Easily test color contrast on any website and ensure your design meets WCAG accessibility standards.

Contrast Check helps designers, developers, and content creators quickly measure the contrast ratio between two elements directly on a webpage. With just two clicks, you can instantly see whether your colors pass AA or AAA accessibility requirements.

🚀 How It Works

Click the extension icon

Select the first color on the page

Select the second color

Instantly view contrast ratio and WCAG result

No complicated settings. No external tools. Everything works directly inside your browser.

📊 Features

✔ Instant contrast ratio calculation

✔ WCAG AA & AAA compliance results

✔ Works on any website

✔ Lightweight and fast

✔ No account required

✔ No tracking or analytics

🎯 Who Is This For?

UI/UX Designers

Web Developers

Accessibility Testers

Digital Agencies

Students learning web accessibility

🔒 Privacy First

This extension does not collect, store, transmit, or share any personal data.
All calculations are performed locally in your browser.

No tracking. No analytics. No hidden scripts.

⚡ Why Use Contrast Check?

Accessibility matters. Proper color contrast improves readability and ensures your content is accessible to users with visual impairments.

With Contrast Check, you can validate your design decisions in seconds without leaving the pa