Source : Webster's Revised Unabridged Dictionary (1913)

Pallidness \Pal"lid*ness\, n.
   The quality or state of being pallid; paleness; pallor;
   wanness.

Source : WordNet®

pallidness
     n : unnatural lack of color in the skin (as from bruising or
         sickness or emotional distress) [syn: {lividness}, {lividity},
          {luridness}, {paleness}, {pallor}, {wanness}, {achromasia}]