color purple http://id.loc.gov/authorities/subjects/sh85109204 http://purl.bioontology.org/ontology/SNOMEDCT/264374004 http://purl.bioontology.org/ontology/SNOMEDCT/371250004 http://purl.obolibrary.org/obo/NCIT_C48327 TP925.P9 Any of a variety of colors with hue between red and blue. Purple is closely associated with violet. In optics, purple and violet refer to colors that look similar, but purples are mixtures of red light and blue or violet light, whereas violets are spectral colors (of single wavelengths of light). In common usage, both refer to colors that are between red and blue in hue, with purples closer to red and violets closer to blue.[5][6] Similarly, in the traditional painters' color wheel, purple and violet are both placed between red and blue, with purple closer to red. purples