It is the addition of yellow to red that makes warm colors substantially different from hot colors. Warm colors are comforting, spontaneous, and welcoming. Cool Cool colors are based in blue. Soothing and calm, these hues provide a sense of depth as well as comfort. Light Light colors are the palest pastels.
Light colors open up the surroundings and suggest airiness, rest, and liquidity.
They resemble sheer curtains at a window and send a message of relaxation. Dark Dark colors are hues that contain black in their composition. They close up space and make it seem smaller. Dark colors are concentrated and serious in their effect. Pale Pale hues are the softest pastels.