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Color Blindness Simulator

Upload an image or design and preview how it looks to people with different types of color vision deficiency.

Works in BrowserNo Upload
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Click or drop an image here
JPG, PNG or WebP — processed entirely in your browser
Upload an image above to see simulated previews.

💡 Protanopia and Deuteranopia (red-green) affect roughly 1 in 12 men. Tritanopia (blue-yellow) is rarer. These simulations are an educational approximation — always test real designs with real users when accessibility matters.