luminous Antonyms

leaden rayless roily shadowed shadowy sloe somber sombre sooty swart swarthy pitch-black piceous lightless misty moonless murky nebulous nightshade nigrescent obscure opaque overshadowed tenebrious tenebrose umbrageous black as a dog's guts unapparent dark as night semidark smoggy smoke-filled twilit as black as a dog's guts as black as midnight as dark as night nontransparent cloudlike vague vespertine unintelligible baht dirtiest aphotic dulled dark-haired unlit moon shot black as midnight advanced