abstract background ,black and white gradient wave gradient with noise texture, grainy texture, for poster background media

monochrome liquid dark modern smooth paint abstract noise blue art design poster bright grainy pattern holographic backgrounds people futuristic template light natural phenomenon shape geometric elegance shiny colors multi colored vitality pastel softness multicolored background variegated foliage vibrant color wallpaper sample dust retro style blurred motion textured banner sign defocused efficiency web page backdrop artificial scene fashion 19901999 cereal plant dirty archival surface level graphic print gradient igniting focus foreground black white wave texture media design