The word ‘colour’ (or ‘color’ in American English) refers to the characteristic of visual perception described through categories such as red, blue, green, etc., which results from the way an object reflects or emits light. It can also refer to the quality of being colorful or the use of color in art and design. Additionally, ‘colour’ can signify a particular mood or feeling associated with a specific hue, as well as influence in a metaphorical sense, such as adding vitality or interest to a situation.