The colour of something refers to its visual appearance, determined by the way it reflects or emits light. Colours such as red, blue, and green are perceived when light interacts with the surface of an object.
"The colour of something is the appearance that it has as a result of the way in which it reflects light."
Colour is a visual property derived from light reflection, forming the basis of how humans perceive and describe the world.
Author’s Summary: Colour is the visual effect produced by reflected light, shaping perception and artistic expression through variations like red, blue, and green.