Define the term intensity in art

Intensity is a property of color which gives strength and vividness.

Explanation:

Adding black, grey, or color opposite in the color wheel can change the intensity of a color

Intensity is a property of color which gives strength and vividness. Adding black, grey, or color opposite in the color wheel can change the intensity of a color. Intensity also refers to purity of the color and purest color has brightest intensity.