Forget butter yellow and powder pink – 2026's breakout colour is set to be far punchier, and harder to pull off. Chartreuse, the divisive yellow-green blending lime, mustard, and neon, has unexpectedly become fashion’s latest obsession.
The high-impact shade drenched models on spring/summer 2026 runways for Prada, Saint Laurent, Erdem, and Valentino. Off the catwalk, stars like the Duchess of Sussex and Emma Chamberlain have already embraced the trend.