Camouflage Measure and Design was assigned in 10/11/43 ComServPac letter #0937 to the BuShips which assigned camouflage Designs to most ships in the Pacific Fleet.
USS La Vallette (DD-448) is shown wearing 31/6D in early 1944 at what is probably Noumea, since La Vallette was painted in 31/6D at Noumea in May of 1944. The colors would be dull black, ocean gray and haze gray. Photo source: NARA BS 125312.
USS La Vallette (DD-448) is seen from the starboard bow wearing 31/6D on an unidentified date. Photo was taken from USS Russell (DD-414). Photo source: Collection of Lt. E. Klump through John Chicquoine.