Color Blindness Simulator
Upload an image and simulate how it appears to people with different types of color blindness. Test accessibility with protanopia, deuteranopia, tritanopia, and achromatopsia filters.
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Click to upload or drag and drop
PNG, JPG, GIF, WebP
Sample Color Palette
Upload an image to see how these and other colors appear under different types of color vision deficiency.
How to Use the Color Blindness Simulator
- Upload an image by clicking the upload area or dragging a file.
- Select a color blindness type from the options.
- Compare the original and simulated images side by side.
- Download the simulated image if needed.
Color Blindness Types
- Protanopia: red-blind, missing red cone cells
- Deuteranopia: green-blind, missing green cone cells
- Tritanopia: blue-blind, missing blue cone cells
- Achromatopsia: total color blindness, sees only grayscale
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Disclaimer: This tool is provided as-is for informational and educational purposes only.