iridescent gradient texture in purple, blue, green for modern 2000s, y2k aesthetic

iridescent gradient texture purple blue green modern 2000s y2k holographic glow smooth digital art backgrounds trendy visuals colorful vibrant pastel ethereal abstract design creative fluid dynamic aesthetic soft shimmer chromatic wave reel bright futuristic noisy noise grainy grunge retro lofi retrofuturistic overlay dark blend backdrop background banner blur blurred