A photographic or printing process involving color, or a classification system based on color characteristics.
From 'color' + 'type' (from Greek 'typos' meaning 'impression' or 'form'). Likely emerged in the 19th-20th centuries with early color photography processes.
Early color photography processes like Autochrome and Dufaycolor were 'colortypes'—they used special glass plates with microscopic filters to capture color, but each one had quirky color characteristics that photographers had to master.
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