Color Blindness & Accessibility Simulator

About this plugin

1 in 12 men and 1 in 200 women have some form of color blindness. Are your designs readable for them?

Color Blindness & Accessibility Simulator lets you instantly see your designs through the eyes of colorblind users — without leaving Figma.

──── WHAT IT DOES ────

🔴 Protanopia simulation (red-blind, ~1% of men)

🟢 Deuteranopia simulation (green-blind, ~1% of men)

🔵 Tritanopia simulation (blue-blind, rare)

⚪ Achromatopsia simulation (total color blindness)

🎚️ Adjustable severity slider — test mild through severe CVD

👁️ Side-by-side preview — original and simulated panels update live

⚖️ WCAG contrast checker — AA / AAA / AA-large pass/fail on every text node, evaluated under the active simulation

📦 Batch export — place all 4 CVD simulations on your canvas in one click

✨ Apply to canvas — write the simulated version directly into your Figma file

💾� persistent settings — remembers your last CVD type and severity

──── SCIENTIFICALLY ACCURATE ────

Uses Machado, Oliveira & Fernandes (2009) transformation matrices — the gold standard in CVD simulation research. Severity interpolation is physically accurate at every stage.

──── WCAG 2.1 COMPLIANCE ────

The built-in contrast checker tests text layers against the WCAG 2.1 standard (Level AA and AAA) under color blindness simulation. Catch failures that normal contrast checkers miss.

──── FREE & OPEN SOURCE ────

No account required. No data leaves your machine. Companion to the DeficiencyView web tool at deficiencyview.com.