abstract background blended blue-gray blue-grey bubbles bubbling bubbly color coloration colored colors colour coloured colours curved curves decorative design details distinctive flow flowing interconnected interlinked interwoven light liquid liquidy merging patterns perspectives rounded shape shaped shapes style surface surfaces surfacing texture textured textures thick thin vibrant wallpaper water watery angled angles blue-green contrast contrasting dark diagonal diagonally diagonals geometric geometrical green interlaced intertwined lined lines pattern purple striped stripes weave woven art-glass artistic curtain fabric glass hidden in-front lighting multicolored multicoloured patterned round stained-glass transparent artwork bright connected connections contours edged edges marbling oil-paint paint paper procedure process randomn surfaced swirling swirls technique traditional visual-arts vivid