I’m trying the mobile thing for this one, yay!
Anyway, if you’re doing “traditional” origami, you only have one square and thereby two possible colours (the front side’s and back side’s colours). I’m not exactly attached to traditional style though. For more colours, you can paint the model or use more sheets of paper.
I’ve seen lots of 2 (or more) square origami (like some of the models in “The Beauty of Origami“), but not many complex ones. So I decided to make a semi-complex, 2 square red panda. The white is on both squares, so it’s 3 colours. One square is 2/3rds the other. I think it’s the red one (but I don’t have my notes right now).