abstract backdrop background canvas colour colours fabric grunge grungy paint pastels rough series spatter texture textures variations weave woven hues natural pastel rock rustic shades stone stones tones architecture brown dappled decoration decorative desktop golden grey ocher structure structures stucco wall wallpaper color colorful colors colourful red stripes vertical caged clouds enclosed fence grate grid metal nature sky trapped trees basalt bunch geology heap many massive mountains old rocks solid wheathered dynamic floor flooring furniture light perspective squared squares terracotta tiles blue frosty glass horizontal icy irregular ripples shape shapes waves