Color
An element of art with three properties:  (1) hue, the color name, for example,  red, yellow, blue; (2) intensity, the brightness and purity of a color, for example, bright red or dull red; and (3) value, the lightness or darkness of a color

Contour line
A line or lines that surround and define the edges of an object or figures.

Contrapposto
A way of sculpting a human figure in a natural pose with the weight of one leg, the shoulder, and hips counterbalancing each other.

Contrast
Closely related to emphasis, a principle of art, this term refers to a way of combining art elements to stress the differences between those elements.

Cool colors
Blue, green, and violet.

Cubism
A twentieth-century art movement developed by Picasso and Braque in which the subject matter is broke up, analyzed, and reassembled.  A style of painting in which artists tried to show all sides of three-dimensional objects on a flat canvas.