black blue green night sky with clouds. storm. dramatic dark skies background. glow, light. mystical, fantasy. or ominous, spooky.

sky cloud ocean sea blue horizon sunlight underwater darkness azure light reef green black teal night clouds storm wind rain dramatic dark background glow lightning magical mystical ominous frightening spooky fantasy fantastic skies cyan aqua aquamarine petrol jade deep thunderstorm rainy weather summer evening sunset cloudy gradient ombre color nature stormy water moon fairy nightmare horrifying scary creepy horror turquoise navy evil eerie supernatural war battle fire terror ufo fog grey grunge texture abstract hurricane tropical heaven clouds rain background lightning heaven