redness

/R EH1 D N AH0 S/
noun
  1. 1

    The state or quality or characteristic of being red.

    โ€œNancy Reagan is famous for the redness of her wardrobe.โ€

  2. 2

    A red discoloration.

    โ€œRedness and swelling are associated with certain superficial infections.โ€

Source: https://en.wiktionary.org/wiki/redness