bright neon blue, purple, lavender, pink holographic metallic foil background

holographic abstract background foil pink texture pattern backdrop pastel colorful rainbow light gradient hologram shiny 80s 90s futuristic textured iridescent modern wallpaper 2000s surreal style psychedelic wave psychic disco rave flyer poster neon design fluorescent metallic creative beautiful purple color blur festive lavender digital youth bright party blue violet magenta