COLOUR

Colour is an important factor to any design it can determine and set a mood -vibrant orange can show happiness and freshness yet a murky blue may indicate sadness, in nature usaully bright colours are used sparingly and bright shades of yellow and red can mean 'stay away from me' it's used as a warning on such snakes, frogs and other animals. In design they are used as warning signals due to how eye catching they are and they make you feel alert.