Orange is the color of flesh, or the friendly warmth of the hearth fire. The positive implications of this color suggest approachability, informality. Also, it can be beneficial to the digestive system and can strengthen the immune system. Orange has shown to have only positive affects on your emotional state. Orange opens your emotions and is a terrific antidepressant. It is associated with joy, sunshine, and the tropics. Orange represents enthusiasm, fascination, happiness, creativity, determination, attraction, success, encouragement, and stimulation. To the human eye, orange is a very hot color, so it gives the sensation of heat. Nevertheless, orange is not as aggressive as red. Orange increases oxygen supply to the brain, produces an invigorating effect, and stimulates mental activity. As a citrus color, orange is associated with healthy food and stimulates appetite. Orange is the color of fall and harvest.