Maybe mix gravel with colored rocks to add interest? Need to talk to someone about if I need to do anything to make it more durable. Like a glaze to keep the gravel together? Something laid below the cinder blocks to keep gravel and rocks in place??
patio, love the gravel with pavers, want to do this for my tip- put down weed fabric after leveling & before gravel to keep weeds from invading up, then you just have to pull out as they grown down (MUCH interior design decorating before and after design