Suzan Frecon’s pared-down paintings feel a bit lost in Zwirner’s expansive white-walled galleries, but the purely abstract watercolors and oils, mostly from the past five years, pull you in as soon as you start moving closer to them. They’re not part of a unified series, yet relate to each other (and to Frecon’s earlier work) via recurring spheres and orb shapes and a complementary palette of rich ochres, an Klein-esque blue and golden yellows.