Gray is the color of intellect, knowledge, and wisdom. It is perceived as long-lasting, classic, and often as sleek or refined. It is a color that is dignified, conservative, and carries authority.
Gray is controlled and inconspicuous and is considered a color of compromise, perhaps because it sits between the extremes of black and white. Gray is a perfect neutral, which is why designers often use it as a background color.
Gray represents non-involvement, giving it a formal authority.
Gray is associated with intellect and the brain is composed of “gray matter.”
Gray is representative of pessimism.
The human eye can distinguish about 500 shades of gray.