What is the difference between light and value? a. Light is the illumination coming from a light source, where as value is the degree of lightness or lack of light in a hue. b. Light is the brightness or dullness of a hue, where as value is the similarity that exists between a certain color and the other colors surrounding it. c. Light is the degree of lightness or lack if light in a hue, where as value is the illumination of an overall piece using monochromatic or analogous co