WordNet sense 1 (large red-and-black European moth; larvae feed on leaves of ragwort; introduced into United States to control ragwort):

Callimorpha jacobeae, cinnabar moth

WordNet sense 2 (of a vivid red to reddish-orange color):

vermilion, vermillion, Chinese-red

WordNet sense 3 (being or having or characterized by hue):

chromatic