The Color Thesaurus, what a chart! Imagine creating this kind of chart by asking kids to determine what "colour" is a word. (We could them ask them to write a poem or a story and use that chart to see what colour it is.
"How to Draw Hair tutorial by =ribkaDory on deviantART: by drawing the ends and hairs at hairline close together you can create shading and a sense of form. This will help if you are into drawing people.
Use the colour wheel as the basis for a single colourfull illuration that could be tessellated across the wrapping paper? color theory chart - beautifully simply way to learn this (plus the fact that I suck at combining colors LOL!