A colorscript is a sequence of small pastel drawings or paintings used to emphasize color in each scene and establish a film's visual language.

For Finding Nemo, art director Ralph Eggleston started with the vibrant palette of the underwater reef, among the most naturally colorful environments on Earth, then shifted to an increasingly minimalist and ominous palette as Marlin and Dory descend into the murky depths of the ocean on an increasingly perilous journey.