Exercise in free color use

Graphite on paper

Watercolor and graphite on white wove paper

Charcoal, oil stick, acrylic, and Liquid Paper on white wove paper

Black ink, watercolor, and charcoal on cream wove paper

Black ink on off-white wove paper

Gouache on brown wove paper

Gouache and black ink on brown wove paper

Charcoal on off-white laid paper

Pastel over graphite on gray wove paper

Blue felt-tip marker on thin off-white wove paper

Watercolor and black ink over graphite on off-white wove paper

Graphite and watercolor on off-white wove paper