Autumn Colors
Initially Wes Anderson wanted the whole film to be in mud and dirt colors but eventually settled for a limited palette of autumn leaf colors like yellow, orange, red and brown. Nowadays such an overall tint is often achieved by colored light or color correction in post production to unify all the colors in a shot. But as someone who had a lot of the sets of his previous live-action films painted in flamboyant colors (see screenshots in post 3 and 4) Anderson seems to prefer color concepts that rely more on local (object) colors than on colored lighting. Therefore skin tones remain relatively constant (mostly on the warm side) and the movies themselves are evocative of those glorious Technicolor musicals of the 1930s and 1940s.