Color Blindness Simulator

Preview any palette under protanopia, deuteranopia and tritanopia using the Machado et al. (2009) physiological model.

Normal vision

Deuteranopia (green-blind)

OriginalSimulated (deuteranopia)
#E4572E#A29128
#2F9E63#8F8767
#1F7A8C#5E6B8C
#F2B705#DEC61C
#7C3AED#0063EA

Important: this is a scientific approximation of color perception under dichromacy (severity 1.0), not a medical diagnosis or a tool for evaluating vision. Use it to check whether palettes remain distinguishable; verify important accessibility decisions with the WCAG contrast checker.

Color Blindness Simulator — Protanopia, Deuteranopia, Tritanopia — Tintiva