abstract artwork background blended bright colors coloured connected connections contours contrasting decorative design details edged edges interconnected interlinked interwoven light lines marbling multicolored multicoloured oil-paint paint paper patterns perspectives procedure process randomn shapes style surface surfaced surfaces swirling swirls technique textured textures thick thin traditional vibrant visual-arts vivid wallpaper blue car dew drop droplets drops Morning rain water cloud clouds cumulus dramatic gray grey shades skies sky sundskies