Test Colors:
Normal
#6366f1
#22c55e
#ef4444
#f59e0b
#3b82f6
#ec4899
Protanopia (no red)
#6464cf
#696a77
#a5a344
#cfcf2f
#5a5ada
#a5a485
Deuteranopia (no green)
#6464c7
#5f537d
#afbc44
#d4db37
#5650d3
#afbb81
Tritanopia (no blue)
#63b5af
#2a8b8f
#e64444
#f14b51
#3fc4bf
#e47673
Achromatopsia (no color)
#757575
#898989
#777777
#a7a7a7
#7a7a7a
#828282
About Color Blindness Simulator
Simulate how colors look to people with color vision deficiency. This free online tool works directly in your browser with no installation or signup required. Your data stays private as all processing happens locally on your device.
Features
- 100% free, no registration needed
- Works offline - all processing in your browser
- Privacy-first: your data never leaves your device
- Mobile-friendly responsive design
- Available in 10 languages