Artistic garden designers understand the power of a pop of light color against a rich backdrop of dark green foliage. I also love the sage-green plants that lead the eye along the pathway towards the enticing doorway. pendragon gardens - My Secret Garden
I love the little stepping stone path (maybe impractical?) and also the way the screens stop you seeing all the way down - draws your eye along path (could be a good way to distract attention from fence and wall?