Press the various icons at the top to use each of them. Use C to clear Left and right to change color. use numbers 1-200. The bar in the upper-middle is there to give you a rough idea of what number = what color. (farthest left = 1, farthest right = 200) up and down arrows change brush size. Click and drag to draw / erase. Have fun and don't forget to love and favorite!
Credit to @stickfiregames for the color sample
