New York designer Charlotte Ronson’s fall fashion essentials

“Color is going to be a huge trend for Fall ’12. It’s gloomy and cold out, but everyone will want to be in rich and deep jewel tones,” says Ronson. “I’m excited to wear these winter brights!”

“Floral prints in plums, reds and rich jewel tones are easy to coordinate with tights and boots, and give you a feminine and flirty silhouette throughout the fall season,” enthuses Ronson. “Wear them with a chunky sweater and leather jacket to create texture and keep you feeling warm and cozy.”

This silk-chiffon floral-print dress ($365 at shopbop.com) is one of Ronson’s designs.

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BB Dakota by Jack Magdalena floral-print dress, $40, at lulus.com

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S.I.C. Couture The Emma dress, $198, at siccouture.com

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Warehouse Ditsy Print Midi dress, $116, at warehouse.andotherbrands.com

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Oasis Floral Lantern dress, $116, at oasis.andotherbrands.com

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Fleur du Jour Lace and Floral Print dress, $44, at lulus.com

Another fall essential for Ronson is a leather T-shirt. “A twist on the classic T-shirt, the leather version is great for layering, takes you from day to night and toughens up any outfit.” Try this lace tee with faux-leather sleeves from Nicole Richie’s new line for Impulse ($59 available Sept 12 at Macy’s, 151 W 34th St at Seventh Ave; 212-695-4400, macys.com).

“When the weather starts to get cold and gray, a red lip is essential to keep you feeling vibrant. It finishes any outfit with a pop,” says Ronson. Try the designer’s own high-shine gloss, A Perfect Kiss in Annabelle ($14 at Sephora, locations throughout the city; visit sephora.com).