Color Blindness Simulator
① Design / Assets
What it is: See roughly how your color scheme looks to colorblind users.
When to use: When designing for accessibility or confirming colors are easy to tell apart.
Normal
Protanopia
Deuteranopia
Tritanopia
Achromatopsia
Everything runs locally in your browser — nothing is uploaded.
FAQ
Why simulate color blindness?
About 8% of men have some form of color-vision deficiency. Information conveyed by color alone (like red/green status) can be hard for them to tell apart — simulation helps you catch these issues early.