(See Four-colour process)
The mechanical process of reproducing a full colour image with the three primary subtractive colour inks (CMYK/ Cyan, Magenta, Yellow and Black) and black. When viewed under a lupe, the individual colour halftone dots can be seen in a process colour image.
Colour specified in percentages of cyan, magenta, yellow and black. When superimposed during printing the four colour printing process, their separate plates can recreate millions of different colours.