Castle Walls vs Greyhound

Both are Benjamin Moore colors. Both sit in the green-grey family, which is useful context if you're narrowing within a single hue direction. At LRV 41 vs 38, Castle Walls will read as the brighter of the two — a 3-point gap that matters most in north-facing or low-light rooms. They share a green quality — useful to know if you're layering them in the same space. With a ΔE of 1.9, the difference is subtle — you'd need them side by side to reliably tell them apart. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.