dusky -
lighted by or as if by twilight; "The dusky night rides down the sky/And ushers in the morn"-Henry Fielding; "the twilight glow of the sky"; "a boat on a twilit river"
dark not giving performances; closed; "the theater is dark on Mondays"
dusky -
naturally having skin of a dark color; "a dark-skinned beauty"; "gold earrings gleamed against her dusky cheeks"; "a smile on his swarthy face"; "`swart' is archaic"