Palette Checker

Drop in your brand colors. See every foreground and background pair tested against WCAG AA and AAA. Switch to deuteranopia, protanopia, or tritanopia and watch the matrix update.

What this tool does

• Full N by N contrast matrix, not one pair at a time
• Pass and fail badges for AA, AAA, and UI component levels
• Colorblindness simulation across the entire palette
• Share the palette with a link

accessibility a11y design color wcag

About Help Toolz

Help Toolz is a collection of free browser tools that solve real problems without signup walls, ad-stuffed listicles, or affiliate-link articles. Every tool runs entirely in your browser — your inputs never leave your device.

Learn more about the project · Privacy policy · Terms of service · Contact

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