high color vs undertone

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 

undertone

noun
  • A pale colour, or one seen underneath another colour. 

  • A low state of the physical faculties. 

  • An implicit message perceived subtly alongside, but not detracting noticeably from, the explicit message conveyed in or by a book, film, verbal dialogue or similar (contrast with overtone); an undercurrent. 

  • An auditory tone of low pitch or volume. 

verb
  • To accompany as an undertone. 

  • To say or speak in an undertone. 

  • To present as less important, noticeable or prominent. 

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