Mesmerize vs Westchester Gray

Both from Sherwin-Williams's palette. Mesmerize reads as blue-grey, while Westchester Gray reads as grey — two distinct hue families, not close cousins. Westchester Gray (LRV 19) reflects noticeably more light than Mesmerize (LRV 13), a difference of 6 points that becomes especially apparent in rooms with limited natural light. Mesmerize runs cool while Westchester Gray is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 16.2, 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.