Educational Color Vision Test

Ishihara Color Vision Test

Take a free Ishihara color blindness test with 20 authentic plates. This online color vision test helps detect protanopia, deuteranopia, and other color vision deficiencies using scientifically validated Ishihara test plates trusted by eye care professionals worldwide.

⚠️ Educational Screening Tool Only - Not Medical Diagnosis

IMPORTANT: This online Ishihara test is an educational screening tool only and is NOT intended for medical diagnosis, treatment, or as a substitute for professional medical care. Results may be affected by monitor settings, lighting conditions, and device variations.

For accurate color vision assessment and medical advice, always consult a qualified eye care professional such as an ophthalmologist or optometrist. See our Medical Disclaimer for complete limitations and warnings.

Test Progress1 of 20

Plate 1

Look at the image below and select the number or pattern you see

What number do you see?

How Does Ishihara Color Vision Screening Work?

View Test Plates

Look at circular patterns made of colored dots containing hidden numbers

Identify Numbers

Select the number or pattern you see in each color vision test plate

Get Results

Receive instant analysis of your color vision and recommendations

Why Learn About Color Vision Screening?

Educational color vision screening can raise awareness about color vision differences and accessibility needs. However, this tool cannot identify medical conditions - only qualified eye care professionals can provide accurate assessment and diagnosis.

Raises awareness about color accessibility in design
Educational tool for learning about vision differences
Demonstrates the importance of inclusive color choices
Encourages professional consultation for accurate assessment

Types of Color Vision Differences in Ishihara Screening

Ishihara educational screening demonstrates awareness about red-green color vision differences. Professional medical evaluation is required for accurate assessment of any vision condition.

Protanopia (Red-Blind)

Difficulty distinguishing red from green due to missing or altered L-cones (long-wavelength photoreceptors).

~1% of men affected

Deuteranopia (Green-Blind)

Difficulty distinguishing red from green due to missing or altered M-cones (medium-wavelength photoreceptors).

~1% of men affected

Color Weakness (Anomalous)

Mild forms of color vision deficiency where color perception is reduced but not completely absent.

~6% of men affected

Frequently Asked Questions About Color Vision Screening

Is this color blindness test accurate?

This is an educational screening tool with significant limitations. Online tests cannot replace professional medical evaluation due to monitor variations, lighting conditions, and other factors. For accurate diagnosis, always consult a qualified eye care professional.

Can children take this test?

Children who can read numbers can take this test. For younger children, try our Kids Color Vision Test that uses shapes instead of numbers.

What if I have difficulty with this screening test?

Remember this is only an educational screening with many limitations. Difficulty with this test does not mean you have color vision deficiency. Many factors affect online test results. Only a qualified eye care professional can provide accurate diagnosis and advice.

How accurate are online color tests?

Online tests provide good screening but accuracy depends on monitor calibration, lighting conditions, and device settings. Professional testing remains the gold standard for medical diagnosis.

Can color blindness be cured?

Currently, there's no cure for inherited color blindness. However, special glasses, contact lenses, and adaptive technologies can help improve color discrimination in some situations.

Should I test my monitor settings?

Yes! Ensure your screen brightness is adequate, avoid direct sunlight, and use a calibrated monitor if possible. Poor display conditions can affect color vision test results.