Colour Contrast Checker

WCAG contrast ratio checker by TPGi

Free

The TPGi Colour Contrast Checker is a free desktop app that checks foreground/background colour pairs against WCAG 2.1 AA and AAA contrast requirements. Supports colour picker and manual entry.

#accessibility#contrast#wcag#desktop

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Added May 8, 2026

Verified May 8, 2026

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