Color Blindness Simulator
Simulate how images look to people with color vision deficiencies.
Color Blindness Simulator
Simulate 7 color vision types — all processing is 100% client-side
Drop your image here
or click to browse · PNG, JPG, WebP supported
Color Vision Picker
— See how a color appears across all vision typesColor Blindness Simulator कसरी प्रयोग गर्ने
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Click the upload area or drag and drop a PNG, JPG, or WebP image onto the tool.
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The tool instantly processes your image and displays all color blindness simulations in a grid.
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Each panel shows the image as it appears to someone with that specific condition.
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Read the info card below each simulation to learn about the condition and affected population.
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Use the "Side-by-Side" toggle to compare the original image with a single selected simulation.
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Click the download icon on any simulation panel to save that image as a PNG.
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Use the color picker tool at the bottom to check how a specific color appears across all vision types.
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All processing happens in your browser — your image is never uploaded to any server.
Color Blindness Simulator बारेमा
Designing for accessibility means understanding how your work appears to people with color vision deficiencies. The Color Blindness Simulator processes your uploaded image through 7 scientifically accurate color transformation matrices — all in your browser using the HTML5 Canvas API.
Supported Vision Types
- Deuteranopia — missing green cones, affects ~1% of males
- Protanopia — missing red cones, affects ~1% of males
- Tritanopia — missing blue cones, affects ~0.003% of population
- Deuteranomaly — weak green cones, affects ~5% of males (most common)
- Protanomaly — weak red cones, affects ~1% of males
- Achromatopsia — complete color blindness, sees only grey
Key Features
Upload PNG, JPG, or WebP images and see all simulations in a grid. Toggle side-by-side comparison, download any simulation as PNG, and use the color picker to test individual colors across all vision types. With 300 million people worldwide affected by color blindness, accessible design is not optional — it is essential.