Official title and information are available only for Plus and Premium subscribers.
Patent Pending Duotone is a halftone reproduction of an image using the superimposition of one contrasting colour halftone (traditionally black) over another color halftone. This is most often used to bring out middle tones and highlights of an image. The most commonly implemented colours are blue, yellow, brown and red.
To see the additional information details please login and subscribe to a Plus or Premium account.
