This kit allows the user to be able to adjust their pre made color in every way. Beside being able to make a color lighter, darker, or richer, one will also be able to increase individual colors. So if you want a color to be more red or brown you will be able to do that. This kit contains (8) 2 ounce jars of Färg patching material in white, yellow, orange, red, green, brown, black, and light gray.