greige vs wheaten

greige

noun
  • A colour between grey and beige, closely akin to taupe. 

adj
  • Of a colour between grey and beige. 

  • Unfinished; not fully processed; neither bleached nor dyed. 

wheaten

noun
  • A pale yellow or beige colour, like that of wheat. 

adj
  • Of, pertaining to, or made from wheat. 

  • Of a pale yellow-beige colour, like that of wheat. 

How often have the words greige and wheaten occurred in a corpus of books? (source: Google Ngram Viewer )