a textured grainy gradient background of green, yellow, and blue paint swirl

abstract metallic noise grain green yellow blue waves curves gradient fluid art background wallpaper design pattern texture colorful vibrant dynamic flow motion energy swirl twist blend mix soft smooth liquid digital graphic artistic creative decoration backdrop modern contemporary elegant stylish aesthetic visual effect light dark contrast hue saturation posters banners brochures flyers covers websites textured paint expressive figural distortions vein violet amber lo-fi aesthetics figure studies back button focus monochromatic shadows grainy