Noun vividness has 2 senses
  1. color, colour, vividness - interest and variety and intensity; "the Puritan Period was lacking in color"
    --1 is a kind of interest, interestingness
  2. saturation, chroma, intensity, vividness - chromatic purity: freedom from dilution with white and hence vividness of hue
    --2 is a kind of color property
    --2 is a substance of
     chromatic color, chromatic colour, spectral color, spectral colour