bird black dark swan water white lake Balaton blue beak feathers ripples swim wet artist colors colours dirty isolated object paint palette water colour White Space Australia bush bushland cool creek fall flow flowing foliage grasses leaves light lighting moving peace peaceful perspective perspectives placid reflected reflection reflections refreshing restful rippling rocks rocky serenity shade shadows shallow small-stream stream sunlight sunshine texture textured textures tranquil tranquillity vegetation water’s-edge white-water