In to the Info Network Scientific work with chimpanzees has shown that these animals enjoy painting and will paint spontaneously without reward.
Chimpanzees do see color.
When researchers offer rewards for painting, the chimps alter their behavior and the painting becomes a rote, conditioned response. Discussion of this can be found in Roger Fouts' book, Next of Kin. All the content has been submitted by Info Network members and we make no claim as to its accuracy or validity.