Deficient in color; pale; wan; as, a pallid countenance; pallid blue.
source: Webster 1913
adjective satellite
abnormally deficient in color as suggesting physical or emotional distress
The pallid face of the invalid. Her wan face suddenly flushed.
source: WordNet 3.0
(of light) lacking in intensity or brightness; dim or feeble
The pale light of a half moon. A pale sun. The late afternoon light coming through the el tracks fell in pale oblongs on the street. A pallid sky. The pale (or wan) stars. The wan light of dawn.
source: WordNet 3.0
lacking in vitality or interest or effectiveness
A pale rendition of the aria. Pale prose with the faint sweetness of lavender. A pallid performance.