Red-green color blind individuals do not have a severe difficulty with traffic lights because
A) the red light is always on top and the green light is brighter than the red.
B) the "red" traffic signals have blue light mixed in with the red.
C) the "green" light is really yellow-green.
D) all of these are utilized.

Question

Quizplus · Accepted Answer

Red-green color blind individuals are able to distinguish between red and green traffic lights based on their position and brightness. The red light is always placed on the top and the green light is usually brighter than the red. This makes it easier for color blind individuals to navigate through traffic signals safely.

Red-Green Color Blind Individuals Do Not Have a Severe Difficulty