Soiled; sullied; of a dark or dusky color; dark brown; dirty.
source: Webster 1913
adjective satellite
thickly covered with ingrained dirt or soot
A miner's begrimed face. Dingy linen. Grimy hands. Grubby little fingers. A grungy kitchen.
source: WordNet 3.0
(of color) discolored by impurities; not bright and clear
Dirty. A dirty (or dingy) white. The muddied grey of the sea. Muddy colors. Dirty-green walls. Dirty-blonde hair.
source: WordNet 3.0
causing dejection
A blue day. The dark days of the war. A week of rainy depressing weather. A disconsolate winter landscape. The first dismal dispiriting days of November. A dark gloomy day. Grim rainy weather.