Color is the element of art that is produced when light, striking an object, is reflected back to the eye. There are three properties to color. One of them and the first is hue.
www.thoughtco.com Value The lightness or darkness of tones or colors. White is the lightest value ; black is the darkest. The value halfway between these extremes is called middle gray. Space An element of art by which positive and negative areas are defined or a sense of depth achieved in a work of art .