Butter Yellow Is Great to Wear. Maybe Don't Use It in Design.

Butter yellow is showing up on runways, in editorial spreads, and now in a growing number of brand palettes. It's also one of the hardest colors to use accessibly. In this post, I'm breaking down why butter yellow fails color contrast, how mustard yellow tells a completely different story, and what to do when your favorite yellow just won't pass WCAG standards — featuring a gorgeous real-world example from Janna Carlson's Co-Promotion Club.