abstract art autumn backdrop background color colour concept creation decorative design drop fall fill gardening graphic image leaf leaves nature New orange original outdoors pastel pattern pink pretty purple red render scrapbooking style texture unique vector white yellow aging blue corrugated decay fence gray green grey grunge illustration industrial metal mottled old oxidisation oxidised paint peeling ruin rust rusted ugly urban weathered angry apocalyptic bright brilliant cloud clouds colorful colourful contrast dark darkening disturbing dramatic dusk evening fiery flaming gold foreboding frightening glory golden light lighting molten skies moody setting sun shadows shining silhouette silhouettes skies sky spreading sun sunset