WATTERS' “Delphinium”:Delphinium is WATTERS brightest purple hue. Other common names for this vivid color are iris and violet. It is a great summer color not just for your bridesmaids' dresses, but also for your groomsmen accessories. Ties in this color look excellent when worn on top of white dress shirts, and paired with gray, tan, or midnight blue suits. Bow ties as well as formal solid colored ties in this purple hue also look great when worn with a formal tux.