Turquoise | aqua beach house front door ideas - DIY mermaid house number sign - DIY beach house name sign with seahorse - cast iron crab door knocker painted white - Turquoise Front door and turquoise shutters painted with Pantone color systems Beach Glass. Turquoise, aqua, beach, beachy, blues and greens, coastal, scallop shells, exterior decorating ideas, exterior decor ideas