Peace Yellow vs Perfect Periwinkle

Both from Sherwin-Williams's palette. Hue-wise, Peace Yellow belongs to the beige-yellow family and Perfect Periwinkle to the blue family. Peace Yellow (LRV 65) reflects noticeably more light than Perfect Periwinkle (LRV 23), a difference of 42 points that becomes especially apparent in rooms with limited natural light. Peace Yellow runs warm while Perfect Periwinkle is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 61.6, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.