Here's a video that shows how Pixar uses colours in their films. If you study the colour scripts from The Art of Pixar, you'll notice that Pixar pays special attentions to how colours transit from one to another.

I love looking at how art materials are made.

And here's an even older video at how crayons are made. It's from some Sesame Street DVD.

Austin Kleon's first book Steal Like An Artist teaches you how to be creative. In his new book Show Your Work, he teaches you how to promote yourself, a book he says is "for people who hate the very idea of self promotion".