PARIS — Rich looks don’t have to be heavy-handed and overdone. That’s just what Emanuel Ungaro demonstrated with his spring couture collection. Opulent embellishment appeared throughout, yet, especially for evening, the looks were light and unfettered. They often featured contrasts: opaque against sheer, shine played off matte and shade off shade. Here, Ungaro’s sleek, shiny dress. For more, see pages 6 and 7.