22
types of black
There are different types of black to work with, notably registration and black from CMYK, although other types of black can be produced.
The left image is in greyscale, printing with only black. In comparison, the image on the right is that of CMYK which forms a richer black than the greyscale due to the four colour process overlaying more ink.
magenta
cyan
Black can be altered by adding just one other process colour to create different feelings to the colour. Adding underlayers of cyan or magenta, 驶cool始 and 驶warm始 blacks can be achieved.