Colours are one of the greatest blessings that god has bestowed upon people in the world. Have you ever thought what it would be like to live in a world without colour. Forget everything for a moment and start using your imagination. Try to think how you would feel if people, cats, dogs, birds, butterflies and fruits had no colour at all. You would never want to live in such a world. Would you? Colours have a crucial role in man’s communication with the outside world and in the proper functioning of his memory. Hearing or touch alone, are not enough to define objects. How can we define colourless flowers placed on a colourless table. Human eye can recognise millions of colours. Identifying objects and our surroundings are not the only benefits of a diversity of colours. Colours also give us a lot of pleasure. The beautiful blue sky, the blood red sunset or a rainbow after a rainfall do add happiness to our lives. The colours of nature have been arranged so as to appeal to...