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Color preference in red–green dichromats
- Álvaro, Leticia, Moreira, Humberto, Lillo, Julio, Franklin, Anna
- Proceedings of the National Academy of Sciences of the United States of America 2015 v.112 no.30 pp. 9316-9321
- aesthetics, color, color vision, genetic disorders, humans, males
- Around 2% of males have red–green dichromacy, which is a genetic disorder of color vision that affects how well certain colors can be seen and discriminated. Humans with normal color vision are known to have systematic and reliable preferences for some colors over others (e.g., blue is liked and yellow-green is disliked). We show that red–green dichromats have a different reliable pattern of color preference in which, for example, yellow is the most, not the least, preferred color. We test current theories of color preference and provide novel evidence that how easily a color can be named is related to how much it is liked. The findings further understanding of dichromacy, color preference, and aesthetics in general.