Color Blind Test
ishihara color perception plates test. enter the numbers hidden in the bubble dots patterns.
brain & cognitive tests
select a test to begin. test your mental abilities.
test completed!
your final score is calculated below.
remember the number displayed. type it in when it disappears.
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memorize the highlighted tiles. click them once they hide.
watch the pattern flash and repeat the exact sequence in order.
click 'seen' if the word has been shown in this run, otherwise click 'new'.
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solve as many simple arithmetic operations as possible within 60 seconds.
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solve equations that increase in difficulty. no time limits, 3 lives.
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click the square with the slightly different color shade. 30 seconds timer.
does the font ink color match the color word? 30 seconds.
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identify the numbers hidden in the bubble dots. 5 plates total.
identify if the presented word is a real English dictionary term or fake. 20 words.
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type the flashed words as fast as possible. 30 seconds timer.
select the ink color of the word, NOT the color name itself. 30 seconds.
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press MATCH if the letter matches the one shown 2 letters back. Otherwise click NO MATCH.
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click numbers 1 to 25 in ascending order as fast as possible.
complete a 10-question logical progression evaluation to measure your IQ score.
2-minute rapid version. solve as many logical progression puzzles as possible under pressure.
cognitive age estimator. tests memory retrieval and rapid mathematical calculations.
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test deductive reasoning with word puzzles, order relationships, and syllogisms. 5 questions.
combined recall capacity test. evaluates numeric memory, spatial recall, and audio sequence memory.
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Color Blind Test — Online Ishihara Plates Diagnosis
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What Is the Ishihara Color Blind Test?
The Ishihara color blind test is the globally accepted standard for diagnosing red-green color vision deficiencies (Protanopia and Deuteranopia). The test contains circles made of colored dots of varying sizes. Hidden inside the dots is a number formed by contrasting shades. If your color vision is normal, you will see the numbers instantly.
Color Vision Deficiency Types
| Plate Test Status | Perceived Numbers | Color Vision Condition |
|---|---|---|
| Normal Plates | Reads all numbers correctly | Trichromacy (Normal Vision) |
| Red Deficiency | Misses red/orange shades | Protanopia / Protanomaly |
| Green Deficiency | Misses green/brown shades | Deuteranopia / Deuteranomaly |
| Complete Defect | Sees only circles, no digits | Monochromacy / Achromatopsia |
What to Do If You Suspect Color Blindness
Our online test serves as an initial diagnostic screening. If you struggle to read several plates, we recommend booking a formal vision test with an optometrist or ophthalmologist to get a comprehensive color vision assessment.
Frequently Asked Questions
Is this color blind test a medical diagnosis?
No. This online screening uses digital representation of Ishihara plates. Computer screen colors and calibrations vary, so seek a medical doctor for official diagnosis.
What causes color blindness?
It is typically an inherited genetic trait caused by the absence or malfunction of one or more types of color-sensitive cones in the retina.