Free · No signup · Instant
See Color Differently.
Free tools to check your color vision, understand color blindness and make images, websites and designs easier for everyone to see.
What Would You Like to Check?
Free Color Tools
All toolsColor Blind Test
A quick screening for common red-green and blue-yellow patterns.
Kids Color Vision Test
Picture-based screening made for younger users.
Color Blind Simulator
Preview how colors appear across vision types.
Image Checker
Upload a photo or graphic and compare simulated views.
Palette Checker
Find colors in your palette that may be confused.
Contrast Checker
Test text and background pairs against WCAG.
Color Identifier
Point your camera or pick a pixel to name a color.
Color Vision Game
Spot the odd shade out. Just for fun — not a medical test.
Learn About Color Vision
Types of Color Blindness
Protan, deutan and tritan patterns explained in plain language.
6 min read
How Color Vision Tests Work
What screenings can and can't tell you — and when to see a professional.
5 min read
Designing for Color Blind Users
Simple habits that make interfaces, charts and images clearer for everyone.
7 min read
Why Use ColorBlindChecker?
- Free
- No signup required
- Instant results
- Works on phone, tablet and desktop
Frequently Asked Questions
View all questionsReady to see how you see?
Three minutes. No signup. Works on any screen.
Take the Free Color Vision Test