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Color Blindness Simulator
Preview how your images look to people with different types of color blindness.
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About this tool
Upload any image and instantly see a 2×3 grid showing Normal vision alongside Protanopia, Deuteranopia, Tritanopia, and Achromatopsia simulations. The transformations run entirely in-browser using canvas pixel manipulation.
How to use
- 1 Step 1: Click the upload area or drag an image onto it.
- 2 Step 2: The original image and five color-blindness simulations appear in a grid.
- 3 Step 3: Hover over any tile to see the full-size simulation label.
- 4 Step 4: Upload a different image at any time to compare designs.