So, when I heard about a new hair-color trend, "translucent brown," which promised dimension and subtle color without going overboard, my interest was immediately piqued.

This hair color comes with two packs of the shade 50 Medium Natural Brown (Truffle). The hair dye is super nourishing as it’s infused with grapeseed fruit oil, avocado, olive, and shea oils.

The key to nailing mocha brunette hair is to feature a blend of warm and cool, caramel-esque tones that sparkle in the autumn sunlight, says Blean. “This isn’t a flat brown color,” she tells ...