"a miner's begrimed face"
"dingy linen"
"grimy hands"
"grubby little fingers"
"a grungy kitchen"

"dirty"
"a dirty (or dingy) white"
"the muddied grey of the sea"
"muddy colors"
"dirty-green walls"
"dirty-blonde hair"

"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"