Color Blindness Simulator

Upload UI mockups, charts, or photos to see how they look to users with different types of Color Vision Deficiency (CVD). Processed securely in your browser.

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Simulation Type

Normal Vision Standard full color perception
Protanopia Red-blind (Approx 1% of males). Reds appear darker or grayish.
Deuteranopia Green-blind (Most common). Greens appear yellowish or beige.
Tritanopia Blue-yellow blind (Rare). Difficulty distinguishing blues from greens and yellows from purples.
Achromatopsia Total color blindness. Vision is practically black and white.
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What is Color Blindness Simulator?

Free online color blindness simulator. Test UI, images, or mockups directly in your browser to see how they look to people with Deuteranopia, Protanopia, Tritanopia, and Achromatopsia.

How to use this tool?

Our Color Blindness Simulator works entirely in your browser. All processing is done client-side, meaning your data never leaves your computer. Simply input your content, and the tool will provide instant results with premium accuracy.

Key Features