1) Chromatic color 2) Chromatic colour 3) Green 4) Green color or pigment 5) Greenness 6) Spectral color 7) Spectral colour Found on https://www.crosswordclues.com/clue/viridity
Vi·rid'i·ty noun [ Latin viriditas , from viridis green: confer French viridité . See Verdant .] 1. Greenness; verdure; the color of grass and foliage. 2. Freshness; soundness. [ Obsolete] Evelyn. Found on http://www.encyclo.co.uk/webster/V/28