How does Colorblind Person See a Traffic light?

Color blindness is the decrease ability to see colors or differences in colors. When the cones have all the various pigments -- called photopigments -- your eye sees all possible colors. If there’s a problem with the pigments, you won’t see colors the way you should. This is called color deficiency or color blindness. It affects approximately 1 in 12 men and 1 in 200 women in the world