WordNet sense 1 (a variable color that is vivid red but sometimes with an orange tinge):

vermilion, orange red

WordNet sense 2 (of a color at the end of the color spectrum (next to orange); resembling the color of blood or cherries or tomatoes or rubies):

carmine, cerise, cherry, crimson, red, reddish, ruby, ruddy, blood-red, ruby-red, cherry-red

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

chromatic