The sun is shining, the weather is scorching hot, and the summer fashion colour trends for 2026 are dominating the high street in all their rainbow glory. Feel-good, mood-boosting brights, coupled with seasonal pastels and timeless neutrals, are carrying us through soaring temperatures in style, and it has never been easier to rework your summer capsule wardrobes with some trending hues.
When it comes to defining the biggest fashion colour trends of the summer, as The Devil Wears Prada explained in that cerulean blue moment. The shades of the season very much trickle down from the seasonal runway collections.