• For those of you unfamiliar with the term, GOUACHE is a painting medium commonly known as watercolor's angry cousin. It is a more opaque, reconstitutable medium that can either help your work turn out awesome, or horrid. Like the human population, gouache can be either a help or a hindrance, really good or really bad. What color are you specifically? What qualities do you have? Why do you care? Take the test and find out.