Okay, we know what you’re thinking. Grey might not be the most exciting color, but there is no denying that it’s one of the most sophisticated nail polish choices, and here’s the proof. From trendy monochromatic designs to lovely matte nail art, this list got you covered. Some of these designs are simple and can be DIY-ed at home, while others require the skillful hands of a nail technician. But whatever the case is, there is no doubt that these designs are gorgeous!