The Collaborative International Dictionary of English v.0.48:

Lividity \Li*vid"i*ty\, n. [Cf. F. lividit['e].]
   The state or quality of being livid.
   [1913 Webster]

WordNet (r) 3.0 (2006):

lividity
    n 1: a state of fury so great the face becomes discolored
    2: unnatural lack of color in the skin (as from bruising or
       sickness or emotional distress) [syn: lividness,
       lividity, luridness, paleness, pallidness, pallor,
       wanness, achromasia]