Mountain Air vs Plum Brown

Both are Sherwin-Williams colors. Mountain Air reads as blue-grey, while Plum Brown reads as grey — two distinct hue families, not close cousins. At LRV 73 vs 6, Mountain Air will read as the brighter of the two — a 67-point gap that matters most in north-facing or low-light rooms. They share a cool quality — useful to know if you're layering them in the same space. At ΔE 59.9, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.