If you have a photographic or painting-like image, chances are you will
want to use a four color process for decorating your product. Four
color process will recreate a photo-realistic image. It is also
sometimes used to represent artwork that uses more than four solid
colors because using only four colors is more economical. The process
uses combinations of varying sizes of blue (cyan), red (magenta),
yellow (yellow), and black (black) dots to create images. You see four
color process printing every day in color pictures in newspapers. Also
sometimes called CMYK.