Approximately 8% of men and 0.5% of women have some form of color vision deficiency.
Upload an image or use the test pattern to see how it appears under different types of color blindness.
Original
Normal Vision
Simulated
Normal Vision
Color Checker
Pick any color and see how it appears under each type of color vision deficiency.
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Ishihara-Style Color Test
Can you see the numbers hidden in the dots? People with color vision deficiencies may see different numbers or none at all.
Types of Color Vision Deficiency: Protanopia - No red cones. Red appears dark. Affects ~1% of males. Deuteranopia - No green cones. Most common type. Affects ~5% of males. Tritanopia - No blue cones. Very rare. Affects ~0.01% of people. Achromatopsia - No color vision at all. Extremely rare. ~1 in 30,000.