high color vs radiance

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 

radiance

noun
  • The quality of being radiant, shining, bright or splendid. 

  • The flux of radiation emitted per unit solid angle in a given direction by a unit area of a source. 

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