The girls have Violet and Scarlet and Ruby and Rose, but for the boys there's a much more limited palette of color names. Gray (or Grey), is one exception, which could make for a soft and evocative--if slightly somber-- choice, especially in the middle. Kaitlin Olson and Rob McElhenney recently named their son Leo Grey.

This color name, spelled either Gray or Grey is rapidly catching on. Actress Jenny von Oy recently called her daughter Gray Audrey.