backdrop background board boards canvas horizontal lines pastel pastels plank planks rough shade shades texture textures tone tones wood wooden abstract cloth color colors colour colours fabric hues material tints art colorful hue paint painting artsy paintings paints series variety various grunge grungy pattern 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