Often used as a base color to block in the basic shapes of trees and bushes, Midnight Black can also be mixed with White to create various shades of cool grays with a purplish undertone. The mixing of colors can be one of the most rewarding and fun parts of painting. One of fourteen vibrant, clean colors, yielding endless numbers of natural combinations in a smooth yet firm consistency necessary to the Bob Ross Wet-on-Wet Technique.