Normal Vision
Full color perception with no deficiency
~92% of males, ~99.5% of females
Protanopia
Red-blind: Difficulty seeing red colors
~1% of males
Deuteranopia
Green-blind: Difficulty seeing green colors
~1% of males
Tritanopia
Blue-blind: Difficulty seeing blue colors
~0.001% of population
Achromatopsia
Complete color blindness (monochromacy)
~0.003% of population
âšī¸ About Color Vision Deficiency
Color blindness affects approximately 8% of males and
0.5% of females worldwide. The most common types are red-green color
blindness (protanopia and deuteranopia).
Why This Matters: When designing websites, apps, or
graphics, it's crucial to ensure your content is accessible to people
with color vision deficiency. Avoid relying solely on color to convey
information.
Accessibility Tips:
âĸ Use text labels in addition to colors
âĸ Ensure sufficient contrast ratios
âĸ Use patterns or textures alongside colors
âĸ Test your designs with simulation tools like this one