red-brown vs vermilion

red-brown

adj
  • Having a colour between red and brown. 

  • Having the qualities of fascism and communism. 

vermilion

adj
  • Having a brilliant red colour. 

  • Having the color of the vermilion dye. 

noun
  • A vivid red synthetic pigment made of mercury sulfide, cinnabar. 

  • A type of red dye worn in the parting of the hair by married Hindu women. 

  • A bright orange-red colour. 

  • The red skin of the lips or its border with the skin of the face. 

verb
  • To color or paint vermilion. 

How often have the words red-brown and vermilion occurred in a corpus of books? (source: Google Ngram Viewer )