Today we're going to talk about Color Theory 2, the sequel to the original, and more importantly, the one you actually understood.
Prerequisites: Color Theory 1, or a basic understanding of how not to make your design look like a kindergartener's plaything.
Remember, color theory is like baking a cake. You need the right ingredients, in the right order, or it's just a mess.
And if you're color blind, well, just use a lot of black and white. That's what I did.