An artist I like: Oskar Fischinger
The original color films have been digitised and were shown in a big empty room with high quality projectors.
What surprised me is that the work is from 1926! I did not know color film was widely available back then, and that an artist would be able to afford to work with moving colors. If you have a chance, go see it at the Whitney Museum in New York.
Below are some photos I took:
And here is a video Oskar Fischinger made with MGM studios in 1938: