pastel 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 refraction textured iridescent modern wallpaper 2000s surreal style psychedelic wave psychic disco rave flyer poster neon design fluorescent metallic translucent creative beautiful purple candy color blur festive lavender girly digital youth bright