Simply: NaCl
More precisely, NaCl when it's dry, but, it's an ionic compound, so when dissolved, it becomes Na+ Cl-.
There's no absolute rule for this, but to get a guide for the minimum worth of your work, try adding up the cost of your materials, and then adding on the money you would have made if you had spent the time you took over the piece working at a minimum wage job. You'll be … Read more
Whatever your media, you absolutely must have red, blue, yellow and white.
With these colours, you can make all the other colours. The three primary colours can be mixed to make green, purple, orange, and then onto brown and other mixes. White is used to lighten the shade.
If by "tan" you mean that light brown that Caucasian skin turns when exposed to the sun, and you want to make this with paints or dyes, you'll need to mix brown with white. The more white you add, the lighter the shade of "tan".
You can make brown by adding red to green, and … Read more