Monochromatic linearity plays an important rolein graphics programs and video technology. This form of representation includes black and white representations in which the gray value can assume different brightness levels.
Depending on the resolution, the grayscale can be a fixed number of steps or continuous between black and white. The gray scale is divided into ten levels according to the Munsell system with black as "0" and white as "10". The gray levels are generally expressed as percentages, with black corresponding to a brightness value of 0% and white to one of 100%. The gray scale is also used for gamma correction.