backdrop background colors colours hues paint paints paper papier series shades texture textures tones variation variations variety various watercolor watercolour abstract cotton fiber fibers grunge grungy pastel pastels rough stuff stuffing blue bricks brickwork bright building cemented coated coating colored coloured connected covered decorated decorative distinctive grooves joined lined lines painted rectangles red sections shade strong sunlight surface surfaced surfacing textured tints-and-shades wall yellow angled angles appearance architectural architecture artistic Australian city geometric geometric shapes gray grey modern mottled orange patterned patterns pointed points raised shapes shiny triangles turquoise uneven unusual varied wallpaper banner banners bar bars colorful colour header headers hue tone art canvas painting spatter