Red is a very strong colour. This colour is very distinctive than other colours. It is considered as one of the positive colours that is full of high energy. The studies have proved that there is a relation between the red colour and the treatment of some diseases as well as the ability to relief pain. Using red colour increases the self motivation, generosity and leadership. It also stimulates energy, passion and strong emotions. Red colour can be used in work places because of its ability to motivate people. The color red can stimulate the appetite, often being used in restaurants for this purpose. It also increases craving for food and other stimuli. Red colour should still be used cautiously, as being surrounded by too much of the red colour can cause us to become irritated and agitated.