Jazz Tangcay Artisans Editor “You may know me from other stuff, but I don’t use a lot of colors, except when necessary,” says renowned costume designer Trish Summerville. So, when it came to designing the main outfit worn by Rachel Zegler’s Lucy Gray in “The Hunger Games: The Ballad of Songbirds and Snakes,” Summerville, whose credits include “The Girl With the Dragon Tattoo,” “Mank” and “Gone Girl,” had to wrap her head around “a rainbow dress with ruffles and things she keeps in her pockets.” The rainbow dress was one of the first outfits Summerville tackled.