"oscuro y apagado" in English

somber- sombre

dark- gloomy- dusky- black- dim- inky- murky- obscure- obscure- recondite- shadowy- solemn- dubious

Y

and- while- so- well

off- dab- dull- expressionless- lifeless- muffled- out- shutdown- drab- sad- dead- extinct- faded- hollow- lackluster- lacklustre- muted- muted- spiritless- subdued- subdued- toneless- unlit

power off

to put off- to beat out- to black out- to blow out- to cut- to damp- to dampen- to diminish- to douse- to fade- to shut off- to smother- to snuff out- to stamp out- to stub out- to subdue- to cancel- to slake- to shut down- to turn off- to extinguish- to kill- to put out- to quench- to switch off- to turn out- to appease