The Best Dark Grey Highlights On Brown Hair References. With black hair the contrast is stark, but with brown layers like these, you can achieve a very soft, blurred look. You can use highlights to blend your grey hair with your natural brown or dark hair, letting your hair color transition as it grows.

Dark charcoal hair with grey lowlights A silver or grey highlight is a smart choice for brunettes since the tone is similar and complements one another. In this way, your hair will help your lighter grey hairs act as natural highlights.