abstract background blue calm concentric concept design element fill gradient graphic illustration layers paint pastel purple round scrapbooking swirl texture vortex water waves pink green yellow angular beige brown decay desktop dez pain geometric gray grey grunge lines oxidation paper pattern render rust squares stripes swirls textures vector wallpaper white xymonau border classical copy space float fluid grungy horizon liquid ocher ochre smooth swoosh wave backdrop curves elegant futuristic material metallic modern movement plastic red satin silk siny appearance aqua color colour cool cooling light moving patterns reflection reflections ripples rippling river surface vibrancy vibrant water's-edge wavelets