Blue: Calm, Collective, Protected

Blue has a very cooling and soothing affect, often making us calmer and has been known to help lower  blood pressure, which is partially why blue scrubs are worn in the operating room.

Blue can also suppress the appetite, partially because food doesn't look good against blue. So putting a blue light in your refrigerator or eating off a blue plate can help control your appetite.

Blue has more of a mental and intellectual effect on us rather then physical. It stimulates clear thinking and aids in concentrations and memorization.

Although blue is the world's favorite color it is often perceived as cold, unemotional, uninviting and unfriendly.