Paleness (6)
I believe the answer is:
pallor
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">paleness</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for pallor that I've seen before include "Wanness" , "Paleness of face" , "Pale appearance" , "Unhealthy white colour" , "Paleness of complexion" .)