Color Shifting in CSS

T2Covered by 1 source · first reported by Martin Fowler / Overreacted / Kent C. Dodds / Josh Comeau at 08 Sept 2025, 13:30 UTC

A little while ago, I was trying to animate an element’s background color, so that it cycled through the rainbow. Seems easy, but it turns out, browsers have a surprisingly big limitation when it comes to color processing! In this tutorial, we’ll dig into the issue, and I’ll share a couple of…