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What is a colour separation process based on?
Colour separation is based on the fact that a computer-driven scanner “reads” the colours of an original illustration.
It is based on the principle that all colours are created by some combination of colour plates.
Colour separation is based on the fact that the original illustration is photographed four times with four different filters.
It is based on the principle that any colour is made up of differing proportions of the primary colours: blue, red, and yellow.