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!
Use for reference in trying to create acid dye solutions.How to make all the colours of the rainbow! A color called "skin tone"? Unless it's a rainbow, I'm not sure that name works.
Mixing subtle colour from primary colours. This website has many free lessons. A great source. More art tutorials at this site.
Beauty Tip / DIY Face Masks 2017 / 2018 Mixing-Paints-Guide-Sheet colour mixing challenge for kids- can you make these? What others can you make create their own mixing reference charts -Read More –
Shade Savvy: Tips for Rich Watercolor Greens. Green is a hard color to master, as the tube/pan greens are almost never the shade you want. Notice how many of the greens above are dull or greyed.