chromaticity vs dye

chromaticity

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

dye

noun
  • Any hue, color, or blee. 

  • A colourant, especially one that has an affinity to the substrate to which it is applied. 

verb
  • To colour with dye, or as if with dye. 

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