Color Blindness Test
Take a quick Ishihara-style color vision screening test in your browser.
Enter the number you see in each circle. If you can't make out a number, leave it blank. View on a properly-lit screen at 100% brightness for the best result.
Results
⚠️ This is an informal screening test, not a medical diagnosis. Screen calibration, brightness, and lighting all affect the result. For a proper assessment, see an eye-care professional.
How to use
- Look at each circular plate.
- Type the number you see, or leave it blank if you see none.
- Submit to see your score and what it may suggest.
Frequently asked questions
Is this a medical diagnosis?
No. This is an informal screening self-test, not a diagnosis. Screen brightness, color calibration, and lighting all affect the result. For a real assessment, see an eye-care professional.
What does it check?
The plates mainly screen for red-green color vision deficiency, which is by far the most common form of color blindness.
🔒 This tool runs entirely in your browser. Nothing you enter is uploaded, logged, or stored.