Color Blindness Test

Tool Guide

Tool Introduction

The Online Red-Green/Blue-Yellow Color Blindness Chart Test Tool is a convenient and fun visual self-test platform designed based on the classic Ishihara color vision test chart principle. By displaying a set of multi-dimensional mixed-color charts containing numbers, geometric lines, or animal patterns, it helps you independently screen locally for red-green color blindness, red-green color weakness, or blue-yellow color vision abnormalities.

Core Features

1. Classic Ishihara mixed-color charts: Built-in classic dotted contrast cards covering red-green, blue-yellow, and total color vision abnormality tests, with precise color arrangement, suitable for quick self-checks.
2. One-click spoiler-proof answer show/hide: Provides considerate "Show Answer" and "Hide Answer" interaction buttons. It perfectly conceals the standard answer before you complete your subjective identification, ensuring objective and accurate testing.
3. Fully local color vision self-check: Contains no background calculation or personal vision information upload—100% clean, safe, and ad-free—open and test, protecting privacy.

How to Use

1. Keep your eyes a comfortable reading distance of 30-50 cm from the screen, and carefully observe the number or line pattern formed by the light-colored dots in the center of the current color blindness chart.
2. After forming your identification result in your mind, click the "Show Answer" button below the card, and the system will instantly display the comparison answer for color blindness and normal color vision.
3. If your test results deviate from your identification on multiple charts, we recommend visiting a professional ophthalmology institution for a more precise color vision instrument diagnosis.