A person who specializes in or has expertise in color theory, chromatics, or the study of color in science or art.
From 'chromatic' + '-ian' (suffix for specialists or adherents). Created in 19th-century art and science to describe color experts as the field became more formalized.
A chromatician is like a detective of color—they understand why certain colors work together, how light behaves, and why looking at red for too long makes you see cyan. It's a rare specialist field.
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