abstract background blue floral green tree vector flower flowers green gras plant spring canada forest lake nature water bare branch mossy sky tangle twig boarder contrast crisp foliage fresh leaf leafs light-green oak texture tree top blue sky Crete gorge hill mountains Samaria leaves summer bright circles colorful colourful dark blue decorations Designs light blue outine shapes patterns pink plastic purple red shapes stars yellow colors colours fall maple mapleleaf maples multiple orange season sundautumn color colour