Among the many steps involved in the process of developing an animated film, especially ones as complex as those produced by Pixar, a color script is created, which is used by the filmmakers "to get a feel of the colour, mood, and visual atmosphere of the film." Check out these high res color script used in the production of Pixar's latest brilliant "Up." Of course if you haven't seen it yet and plan on doing so, here's your spoiler warning.
[Via]