greeny vs viridian

greeny

adj
  • greenish; somewhat green 

viridian

adj
  • Of a bluish green colour. 

noun
  • A bluish-green pigment made from chromium sesquioxide. 

  • A bluish-green color. 

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