Color Blindness
See how others see.
Simulate different types of color vision deficiency.
Normal Vision
How most people see these colors
Protanopia
Red-blind. Difficulty distinguishing red and green.
Deuteranopia
Green-blind. Most common form of red-green color blindness.
Tritanopia
Blue-blind. Difficulty distinguishing blue and yellow.
Achromatopsia
Complete color blindness. Sees only shades of gray.
About color blindness
Approximately 8% of men and 0.5% of women have some form of color vision deficiency. When designing, ensure sufficient contrast and don't rely solely on color to convey information.