Gouache

Gouache is opaque and has a matte finish, whereas watercolor is transparent and has a more luminous quality. Gouache can cover underlying layers more fully.

Avoid applying thick layers, as gouache tends to crack when too much paint is applied. Build layers gradually and let them dry between applications.

Yes, gouache is rewettable, so you can add water to rehydrate dried paint on your palette and continue using it.

Use heavy-weight watercolor paper or mixed media paper that can handle moisture without warping, as gouache involves water like watercolor.

Yes, gouache works well with ink, watercolor, and colored pencils for mixed media work.