Oranges are a fruit that is widely known for its bright orange color. The color orange is a secondary color of pigments, produced by mixing yellow and red. The human eye perceives orange when observing light with a dominant wavelength between roughly 585 and 620 nanometers. In psychology, the color orange is often described as bright, happy, and uplifting. It can be a very strong and energetic color, much like yellow and red, and is often used in advertising. People tend to either love it or ...