Free Online Color Blind Test (Ishihara) - 2-Minute Result

Check your color vision in about two minutes. Free, online, with plain-language explanations.
Educational screening only; not a medical diagnosis.

Can you see the number in this circle?

Ishihara color-blind-test demonstration plate showing number 12

Color Blind Test

Complete professional color vision assessment in 2-3 minutes. Get instant results with AI-powered analysis.

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Trusted Color Vision Screening

Trusted Color Vision Screening

Join thousands who trust our online color blindness test for reliable color vision assessment

  • Instant Results
    Get your color vision assessment immediately with shareable PDF reports
  • Privacy Focused
    No registration required. Test anonymously and share results only if you choose
  • Mobile Optimized
    Works perfectly on any device - phone, tablet, or desktop computer
Importance

Why Color Blind Testing is Important

Understand your color vision abilities to provide scientific basis for career choices and quality of life

Pilots, drivers, doctors, designers and other professions have specific color vision requirements, timely testing avoids career limitations

Career Development Requirements
Early Detection in Children
Improve Quality of Life

6 Professional Color Blind Test Types

Comprehensive color blind testing services covering different age groups and application scenarios

Ishihara Test

Most widely used red-green color blindness screening standard, quickly and accurately identifies color vision defects

Farnsworth D-15 Test

Precisely measures color discrimination ability, evaluates degree and type of color vision defects

Children's Color Blind Test

Specially designed for children aged 3-8, using graphics and animal patterns instead of numbers

Professional Color Vision Assessment

Meets professional color vision requirements for aviation, driving, medical and other industries

Color Blindness Simulator

Experience the color world as seen by people with different types of color vision defects to increase understanding

Quick Screening Test

Complete basic color vision ability assessment in 2 minutes, suitable for large-scale initial screening

FAQ

Frequently Asked Questions

Quick answers to common questions about our color blind test

How It Works

Understanding your color blind test results

Learn about the testing process, accuracy factors, and how to interpret your results

Testing process (2 minutes)

View 8-12 Ishihara plates and select the number or shape you see. Some plates may appear blank if you have certain color vision differences.

Result interpretation

Your answer patterns indicate typical color vision or possible red-green differences. Results are educational screening only, not medical diagnoses.

Accuracy considerations

Online color blind test results depend on proper lighting, screen calibration, and viewing distance. For professional diagnosis, consult an eye care specialist.

Additional testing

For more comprehensive screening, try our Red-Green Test, Tritan Test, or Kids Color Blind Test.

References

Scientific References

Academic sources supporting color blind test methodologies

Shinobu Ishihara. Tests for Colour-blindness, 38-plate edition, 2004.

The foundational work establishing Ishihara color blind test standards used worldwide for red-green color vision screening.

Farnsworth D. The Farnsworth-Munsell 100-Hue Test for examination of color discrimination, 1957.

Comprehensive color blind test methodology for detailed color vision assessment and professional screening applications.

Hardy LH, Rand G, Rittler MC. HRR Pseudoisochromatic Plates, 4th Edition, 2002.

Advanced color blind test plates for clinical color vision testing with enhanced sensitivity for color deficiency detection.

Cole BL. Assessment of inherited color vision defects in clinical practice. Clinical and Experimental Optometry, 2007.

Modern guidelines for color blind test administration and interpretation in professional color vision assessment.

Start Your Color Blind Testing Journey

Professional, accurate, convenient color blind testing service - understand your color world in 2 minutes