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Color Blindness Simulator
Preview an image through different types of color vision deficiency.
🔒 Processed locally with canvas. Your image never leaves your device.
Click to choose an image, or drag & drop here.
About
Roughly 1 in 12 men and 1 in 200 women have some color vision deficiency. Use this to sanity-check that your charts, UI states and designs don't rely on color alone. Simulations use standard CVD transformation matrices and are approximate.