retro 1970s colorful abstract wavy pattern background

retro 1970s abstract wavy colorful orange red blue psychedelic artistic bold groovy vibrant swirl vintage modern contemporary fluid decorative funky graphic stylish funky-pattern nostalgia bright trendy oil-painting movement pop-art energetic creative gradient wavy-lines dynamic paint-effect texture pattern decorative-design neon-style fluid-art funky-waves colorful-texture aesthetic-background expressive trendy-design