Colors
Color Blindness Simulator
Five modes: normal vision, Protanopia, Deuteranopia, Tritanopia and Achromatopsia.
🖼
cb_upload
cb_drag
cb_empty
What does Color Blindness Simulator?
Simulate how colors appear to people with different types of color blindness.
How to use Color Blindness Simulator?
- Upload an image or enter color values.
- Select the type of color blindness (deuteranopia, protanopia, tritanopia, etc.).
- View the simulated appearance for each type.
Key features
- Simulates deuteranopia, protanopia, tritanopia, and achromatopsia.
- Side-by-side comparison of original and simulated views.
- Helps designers ensure content is accessible for all users.
Frequently asked questions
What is the most common type of color blindness?
Red-green color blindness (deuteranopia and protanopia) is the most common, affecting about 8% of males.
Why should designers care about color blindness?
About 1 in 12 men and 1 in 200 women have some form of color blindness; designing for accessibility reaches more users.
Is this tool free?
Yes, this tool is completely free and requires no registration.
Is my data saved?
No. All calculations happen in your browser only — no data is sent to any server.