TRENDS Kermit the Frog famously lamented that “it’s not easy being green.” Well, Pantone just made it a little easier. The color authority has selected Greenery—one of its top 10 spring 2017 shades—as its Color of the Year for 2017. (A few past picks: 2014’s cheery Radiant Orchid, 2015’s much-maligned Marsala, and 2016’s pastel pair, Rose Quartz and Serenity.) “Greenery is nature’s neutral,” according to Pantone. It’s also fertile ground for jewelry designers, particularly those who favor bold-colored gems. Hey, Mom always told us to get more greens into our diet. 18k black rhodium gold earrings with white diamonds, tsavorites, yellow sapphires, peridots, and green tourmalines; price on request; Lydia Courteille, Paris; 33-14-261-1171; lydiacourteille.com   WATCHES With Swiss watch exports down double digits compared with a year ago, the watch in