Question

A person cannot distinguish between colours what he is facing​

Answer 1

Answer:

Colour blind person Cannot differentiate between

Color blindness is the inability to distinguish the differences between certain colors. Color blindness results from an absence of color-sensitive pigment in the cone cells of the retina, the nerve layer at the back of the eye. ... Red-green color blindness: difficulty distinguishing between red and green.

Answer 2

Answer:

The reduced sensitivity to red light and green light leads to red-green colour blindness. Depending on the brightness and saturation of colours, the affected individual can't distinguish between reds, greens, browns and oranges.