brunet
brunette
dark
acheronian
ambiguous
amphibological
black
blackish
bleak
caliginous
cheerless
crepuscular
dark-colored
dark-complexioned
dark-skinned
darkish
darksome
desolate
di
dim
dimmish
dimpsy
dismal
double-edged
double-faced
drear
dusk
ebony
equivocal
evening
evensong
funereal
gloomy
grave
joyless
melancholy
murk
murksome
murky
nigrescent
nubilous
obscure
opaque
sable
sad
semidark
shadowy
duskier
duskiest
dusty
fiery
ghostly
golden
misty
reddish
rosy
silvery
snowy
sunny
tawny