Color Blindness Simulator
Upload an image to see side-by-side previews simulating protanopia, deuteranopia, and tritanopia — useful for a quick accessibility check.
Approximates how an image looks under three common color vision deficiencies, using standard simulation matrices — useful for a quick accessibility gut-check, not a clinically precise simulation. Everything happens in your browser.
Example input
design mockup.png
Example output
3 simulated variants side by side