black white abstract watercolor. art background. like a dramatic sky with rain clouds. storm.

monochrome black darkness white drawing sketch wall circle line rock soil asphalt text art cloud watercolor paper background texture light artistic brush water fluid liquid stroke splash dirty cloudy rainy gloomy stained smoke fog pattern wallpaper old concrete cement marble vintage metal stone rough spooky creepy aquarelle style hand smudges doodle blob smear modern dye distressed gradient grey war military night abstract watercolor dark gray design spot blot daub grunge like dramatic sky rain clouds storm