when we were little, we were attracted to bright, colourful things. in fact, bright colours are not only for little children - the human eye, no matter what age, is programmed to detect shape, size, distance and movement, as well as colour, in order to collect information about the surroundings - a vital skill for survival. colour is one form of sensory input that your brain uses to interpret important elements of your surrounding. dark colours usually mean unsafe, while bright colours, such as certain fruits, make us feel safer