[ noun ] unnatural lack of color in the skin (as from bruising or sickness or emotional distress) <noun.attribute>
pallor \pal"lor\, n. [L., fr. pallere to be or look pale. See {Pale}, a.] Paleness; want of color; pallidity; as, pallor of the complexion. --Jer. Taylor.
Waiting for my daughter to get home from school on a dark winter's afternoon I wonder, isn't this what we came here not to feel? My kids were in a cab with me the other day when the cabbie began to explain his pallor and trembling hands.
And Tina MacHugh's lighting conveys both the darkness of this room, and the distant pallor of the daylight outside (though the final dawn is none too persuasive).