Color Blindness Test

Try this free online color vision screening test — click to start

Color Blindness Test

Spot the number hidden in each dot pattern. A quick, for-fun color vision screening game — not a medical diagnosis.

Type the number hidden in each dot pattern.

0/8 Plate
0 Correct
– Accuracy

This is a simplified, for-fun screening game generated in your browser — not a medical or diagnostic tool. Screen brightness, calibration, and device differences can all affect results. If you have concerns about your color vision, please see an optometrist or eye care professional for a proper assessment.

Results are calculated locally in your browser and are not stored.

Color Blindness Test

Can you spot the number hidden in each dot pattern? This is a quick, fun screening game inspired by the classic dot-based tests used to check for red-green color vision deficiency, generated fresh in your browser each time you play.

You’ll see 8 plates, one at a time. Type the number you can make out, or click “I can’t see a number” if nothing stands out. At the end, you’ll get a score along with a general sense of how consistently you were able to read the plates.

It’s worth being upfront: this is not a medical or diagnostic test. It’s a simplified game built for fun and general awareness, not a clinical screening tool, and results can be affected by things like your screen’s brightness, color calibration, and the device you’re using. If you’re genuinely concerned about your color vision, the right next step is a proper assessment from an optometrist or eye care professional – not an online quiz.

FAQ

Is this a real color blindness test?
No. This is a simplified, for-fun screening game inspired by the general idea behind clinical color vision tests, not a validated medical tool. A real diagnosis requires standardized testing under controlled lighting conditions, carried out by a trained professional.

Why does this matter for accuracy?
Screen brightness, color calibration, ambient lighting, and even the specific device or monitor you’re using can all change how colors appear, which affects how easy or hard the numbers are to spot. A proper clinical test controls for all of these factors, which a browser-based game can’t fully replicate.

What is red-green color blindness?
It’s the most common form of color vision deficiency, where certain shades of red and green appear difficult to distinguish from each other. It affects a meaningful share of men in particular, since the genes involved are located on the X chromosome.

If I score low, does that mean I’m color blind?
Not necessarily. A low score here might reflect screen settings, lighting, tiredness, or simple guesswork rather than an actual color vision deficiency. If you consistently struggle with tasks like distinguishing red and green in daily life, that’s a better reason to seek a proper assessment than a score on this game.

Can color blindness be treated or corrected?
There’s no cure for most inherited forms of color vision deficiency, but some people find that specially tinted glasses or contact lenses can help them distinguish certain colors more easily. An eye care professional can advise on whether that’s worth exploring for your specific situation.

Who should I see if I want an official diagnosis?
An optometrist or ophthalmologist can perform validated color vision testing, such as genuine Ishihara plate tests under proper conditions, and give you an accurate diagnosis along with guidance on what it means for daily life, driving, or certain careers.