Color Blind Test
Ishihara-style color vision test. Detect red-green and blue-yellow color blindness quickly and easily.
Color Vision Test
Ishihara-style Color Blindness Self-Test
Enter the number you see in each plate.
Press "I can't see a number" if nothing is visible.
There are 12 plates total, taking about 2-3 minutes.
This test is for self-assessment only. Please visit an eye care professional for an accurate diagnosis.
Frequently Asked Questions
Q. What is the Ishihara test?
The Ishihara color vision test, developed by Dr. Shinobu Ishihara in 1917, is the most widely used color vision deficiency test. You identify numbers hidden in circular plates made of colored dots.
Q. What is the difference between color blindness and color deficiency?
Color blindness (complete) means an inability to distinguish certain colors at all, while color deficiency means reduced ability to distinguish colors. Most cases are deficiency, not complete blindness.
Q. Can this online test provide an accurate diagnosis?
This online test is for reference only. An accurate diagnosis requires a specialist examination at an eye clinic. Results may vary depending on monitor calibration.
How to Use
Test in a well-lit room with appropriate monitor brightness.
Type the number you see in each plate.
After 12 plates, see your color vision type and score.
Expert Knowledge: Color Blind Test
Color vision deficiency is an X-linked recessive genetic trait, affecting approximately 8% of males and 0.5% of females. The most common type is red-green color deficiency (Deuteranomaly), which accounts for about 75% of all color vision deficiencies.
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