beryl vs pea green

beryl

adj
  • Of a dull bluish green colour. 

noun
  • A dull blueish green colour. 

  • An example (a stone) of the mineral beryl. 

  • A mineral of pegmatite deposits, often used as a gemstone. 

pea green

adj
  • Of a yellowish green colour, like that of peas. 

noun
  • A medium green colour, like that of peas. 

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