23rd Oct: It's time for the second TV Tropes Halloween Avatar Contest, theme: cute monsters! Details and voting here.
"If I had to paint a picture / Of how the world would really be / I would use the finest colours..."
— Teddy Pendergrass, "What is the Color of Love"
These tropes are mostly about being Colour-Coded for Your Convenience or other affinities related to specific colors.