aphotic

black cloudy darkened dim dingy drab dull foggy gloomy misty murky overcast shadowy somber

dun faint

atramentous blackish caliginous cimmerian clouded crepuscular dusky ill-lighted indistinct inky lightless lurid nebulous obfuscous obscure opaque pitch-black pitch-dark pitchy rayless shaded shady sooty stygian sunless tenebrous unlighted unlit vague

bright cheerful clean clear distinct good happy intelligent joyful light luminous smart sparkling sunny vivacious

apparent brilliant encouraging evident hopeful illuminated lucid manifest moral plain pleased radiant shining visible vivid