holographic foil. rainbow texture. iridescent background. neon gradient. hologram effect. sparkly metal texture. soft backdrop for

abstract backdrop background backgrounds bright brilliance check chrome color cute delicate dreamy effect foil fond glare glitter glitterer gloss gradient holo hologram holograph holographic holography iridescent light marble mark metal metalic metall metallic neon pastel pattern pearlescent pretty radiance rainbow shimmer shine shiny silver soft softly spark sparkle sparkly speckled subtle tender texture twinkle unicorn