What are the difficulties faced by a colour-blind person ?

Explanation

A colour-blind person cannot distinguished between different colours . For example, he cannot distinguish between red and green colours. Also he cannot distinguished between blue and green colours. Red and green , both appear grey. Since a colourblind person cannot distinguish between red and green colours, it is difficult for him to cross a road. There is a possibility of an accident while crossign a road.
(2) A colour-blind person cannot distinguish between two objects of different colours, which are otherwise identical , e.g. clothes.
(3) A colour-blind person may have an inferiority complex and hence may find it difficult to mix with other persons.