Assertion: violet's color | /r/HasProperty | indigo
Facets:
value: between 450 and 420 nanometers
type: OTHER
value: traditionally
type: OTHER
Source sentences:
text: When plotted on the CIE chromaticity diagram, this color is at 435 nanometers, in the middle of the portion of the spectrum traditionally considered indigo, i.e., between 450 and 420 nanometers.