The blockbuster colors and florals, geometrics and ethnic prints on the runways at New York Fashion Week may feel like game-changers in the moment. Then there’s the rest of your life. Once the looks move from the catwalk to the closet after this round of previews, women may need a little guidance on incorporating the prints, shots of neon and other new colors — purple, yellow, aqua and orange — into existing wardrobes, said Cindy Weber Cleary, fashion director of InStyle magazine.