Color Blindness Test

Color Blindness Test

Free

Free online Ishihara color blindness test. Detect red-green, blue-yellow color vision deficiencies and get a preliminary assessment.

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About Color Blindness Test

Free online Ishihara color blindness test. Detect red-green, blue-yellow color vision deficiencies and get a preliminary assessment.

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User Guide

Key Features
  • Free online color blindness test using the classic Ishihara plates to check your color vision — no download or installation needed
  • Includes 10 plates covering normal color vision, red-green and blue-yellow deficiencies, tested plate by plate
  • Automatically counts correct answers and accuracy, and gives a preliminary diagnosis by category (normal/red-green/blue-yellow, etc.)
How to Use
  1. Open the tool page — no download or installation required
  2. Click "Start Test" to begin the test
  3. Look at each color plate and enter the number you see in the input field; if you can't see a number, tick "Cannot see / Nothing", and use "Previous"/"Next" to move between plates
  4. After answering all 10 plates, click "Submit" to view the test result, accuracy and the category breakdown; click "Test Again" to retake the test
Important Notes
  • This tool is completely free and requires no registration or login
  • All processing happens locally in your browser — your data is never uploaded
  • This test is for preliminary self-checking only and does not replace a professional medical diagnosis; screen color accuracy may vary, so testing on a calibrated display is recommended

Frequently Asked Questions

What is Color Blindness Test?

Free online Ishihara color blindness test. Detect red-green, blue-yellow color vision deficiencies and get a preliminary assessment.

How do I use Color Blindness Test?

Open the tool page — no download or installation required Click "Start Test" to begin the test Look at each color plate and enter the number you see in the input field; if you can't see a number, tick "Cannot see / Nothing", and use "Previous"/"Next" to move between plates After answering all 10 plates, click "Submit" to view the test result, accuracy and the category breakdown; click "Test Again" to retake the test

What should I know before using Color Blindness Test?

This tool is completely free and requires no registration or login All processing happens locally in your browser — your data is never uploaded This test is for preliminary self-checking only and does not replace a professional medical diagnosis; screen color accuracy may vary, so testing on a calibrated display is recommended

Is Color Blindness Test free to use?

Yes, Color Blindness Test is completely free. No download or installation required — it runs right in your browser.