"Base Breaker" Hair Colour Trend: the Subtler Approach The most low-key take on the "base breaker" trend is subtle and unassuming — with colour so well-blended, you might blink and miss it. To get the look, make sure your stylist tones your roots after they have been highlighted in a colour close to your natural base for an easier grow-out. See a few of our favourite examples below. Image Source: Getty / Kevin Mazur/MG21