abstract backdrop background canvas cloth color colors colour colours fabric hues material pastel pastels rough shades texture textures tints tones art colorful hue paint painting tone artsy paintings paints series variety various grunge grungy pattern shade variations city dark decay design gloomy iron metal old rust rusty scrap urban vintage architecture brown dappled decoration decorative desktop golden grey ocher plastering structure structures stucco wall wallpaper blank empty flier floral flower flowers flyer paper papier petal petals