Hue refers to the identity of a color such as red, orange, or blue. A color's saturation describes its intensity or vibrancy, with saturated colors being vibrant and desaturated colors being dull. A color's value refers to its darkness or lightness relative to other colors, with yellow appearing light and violet appearing dark. Temperature is a subjective quality where warm colors like red or orange remind us of heat and cool colors like blue or green remind us of cold.