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Simulate Color Blindness on Any Image

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Open an image and see how it looks to people with different types of color vision deficiency — protanopia, deuteranopia, tritanopia, and more.

This is an essential accessibility check for designers. Before publishing graphics, UI mockups, or data visualizations, run them through this simulator to make sure your color choices work for everyone.

Color Blindness Simulator

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Frequently Asked Questions — Color Blindness Simulator

Protanopia, deuteranopia, tritanopia, achromatopsia, and more. Each shows how your image looks to people with that specific condition.

About 8% of men and 0.5% of women have some form of color vision deficiency. Checking helps you design for accessibility.

Yes. Upload any image — screenshots, designs, charts, maps — and see how it appears with different color vision types.