high color vs iridescence

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 

iridescence

noun
  • Any shimmer of glittering and changeable colors. 

  • The condition or state of being iridescent; exhibition of colors like those of the rainbow; a prismatic play of color. 

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