Orange is the more eye-catching of the two colors, and easily veers into costume territory. To be safe, stick with one well-placed tangerine piece.
Wool & Cashmere Turtleneck, $345, Ralph Lauren Blue Label, ralphlauren.com; LARGE TWO-WAY TOTE, $398, WANT LES ESSENTIELS DE LA VIE™ FOR J.CREW, jcrew.com; PULL ON CREPE PANT WITH TONAL SIDE STRIPE, $275, rebeccataylor.com; Celeste d'Orsay Pumps, $350, Vince, shopbop.com
4. Thread in another neutral.
Grey, beige or white will break up the trick-or-treat vibe without competing for attention.