four-colour process printing

Learn about this topic in these articles:

In colour printing
The four-colour process is used to produce a complete range of colours. In this process, the material to be reproduced is separated into three basic colours plus black, which is used for density and image contrast. The basic colours are cyan, a combination of blue and…
Read More
In photoengraving: Colourplate production
…standards, however, and nothing approaching four-colour process printing was possible.
Read More