Answer:

grey

AnswerCrossword Clue
GREYEarl ... tea
GREY... Poupon mustard
GREY... Goose (vodka brand)
GREY... Goose vodka
GREYSombre
GREYGandalf the ...
GREYWriter from Zanesville
GREYColored like a certain hound
GREYLady Jane ...
GREYNovelist Zane
GREYNeutral-colored: Var.
GREYWestern author
GREYSee 8-Down
GREYEarl ...
GREYCertain horse
GREYGranite
GREYHair hue