dark turquoise blue and gray abstract grimy misty background with watercolor painted gradient colors art texture

abstract art artsy backdrop background backgrounds banner blue brush cloud clouds cloudy color colors dark design dramatic dust explosion fog gradient green grey grimy grunge horizontal light marbled modern nature night paint painted painting panorama panoramic pattern sea sky smoke soft space splash storm stormy texture water watercolor waves white weather overcast ocean mist atmosphere cloudscape powder steam hazy misty foggy haze colours colour gray vapour smoky vapor smokey dirty overlay underwater watercolour vibrant navy wash aquamarine teal border wallpaper