The systematic study or science of colors, including their properties, production, and effects.
From Greek 'chroma' (color) + 'logos' (word, study, discourse). An old scientific term from the 17th-18th centuries when natural philosophers systematically classified natural phenomena.
Chromatology is almost forgotten today, but it's actually a medieval and Renaissance predecessor to modern color science and psychology—ancient scholars were trying to understand color with the same systematic rigor we use now.
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