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Contrast & Accessibility Guides

Learn about WCAG guidelines and accessible color design

These guides walk you through WCAG contrast standards, color blindness considerations, and practical tips for choosing accessible color combinations. Whether you are designing a website, app, or presentation, you will learn how to ensure your text and visuals meet accessibility requirements. Everything runs directly in your browser — no sign-up or installation needed.

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Complete Guide

A comprehensive guide to WCAG guidelines and accessibility fundamentals

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Quick Guides

Understanding Accessibility

Color Blindness & Vision

Understanding how color vision affects accessibility

Understanding sRGB in Contrast Calculation

Why WCAG uses the sRGB color space and how gamma correction affects contrast ratios

Practical Guidelines

Combinations to Avoid

Common color mistakes and how to fix them

Ready to Check Your Colors?

Use our contrast checker to test your color combinations against WCAG guidelines, simulate color blindness, and get accessible alternatives.

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