Yellow may be the sunny hue you grab in summer, but leave it to cool ‘It’ girls to take hold of the color and bring it with them into fall. That’s right — all of a sudden, butter yellow clothes are everywhere, and we’re not mad about it. The pastel shade is toeing the line between summer and fall fashions, which is why we’re seeing chic women don the trend in unexpected ways across NYC, L.A. and beyond. To style the unconventional fall trend, all you need are a few classic autumnal staples that mix well with the soft, sun-soaked style. Think suede boots, brown leather jackets, light-wash jeans...