2016 Hair Color Trend – Macaron Colored Hair. There’s a new hair trend on the rise, and it involves a delicious french pastry, macaroons. Just like our beloved treat, macaron colored hair can be achieved in a a variety of different colors. From soft muted rainbow, to soft mingling of pastels. The macaron hair trend is all about utilizing rainbow colors and putting a soft remix blend on them. You can wear the pasty shades alone, or mix them with others for a revamped rainbow colored hair.