The application of colour is not as simple as we normally think. Decoration, painting or drawing are thefirst few concepts come to our mind as soon as we mention colour. In fact colour also deeply influents people’s everyday behaviour. An article points out that “colour does affect our actions and reactions in traffic as well as in interiorenvironments. Colour can create conditions that can cause fatigue, increase stress, decrease visual perception, damageeyesight, increase possible worker errors, and negatively affect orientation and safety.” The application of color is not as simple as we normally think. Decoration, painting or drawing are thefirst few concepts come to our mind as soon as we mention color. In fact color also deeply influents people’s everyday behavior. An article points out that color do create conditions that can cause fatigue, increase stress, decrease visual perception, damage eyesight, increase possible worker errors, and negatively affect orientation and safety. "