chromaticity vs high color

chromaticity

noun
  • An objective specification of the quality of a colour, regardless of its luminance. 

high color

noun
  • a strong color 

  • a pinkness or redness of the face; having rosacea; having a flushed face 

  • graphics with two bytes of storage per pixel, allowing for up to 65536 different colors 

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