watercolor light blue monochromatic handwork wet painting colorful backdrop . nice image or background. vivid illustrati

abstract acrylic agua aguamarine artistic backdrop background blob blot blue bright brush clear color colorful colour daub design dirty draw drawing element grain graphic grunge grungy handmade handwork illustrati illustration image light liquid material messy monochromatic nice paint painting pastel pattern rich shabby sketch splash splatter spring stroke surface texture textured vintage vivid wallpaper water watercolor watercolour