abstract blue background of brush strokes with acrylic paint. underwater world with turquoise dwellers. marine theme

abstract acrylic art azure backdrop background black blot blue bright brush canvas color colorful creative dark decorative design dirty drawing drop dwellers dye element gradient graphic handmade illustration image ink liquid marine navy nderwater neon night paint paper pattern splash spot stain stroke strokes surface texture textured theme turquoise underwater vintage wall wallpaper water watercolor world