Multiple choice

A colour blind person has difficulty in distinguishing between which colours?

  1. Black and Blue

  2. Green and Violet

  3. White and Yellow

  4. Green and Red

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The most common type of color blindness is red-green color blindness (protanopia/deuteranopia). People with this condition cannot distinguish between red and green wavelengths. The other color pairs listed are not typically confused in common color blindness conditions.