Mount Etna vs Polished Concrete

Both are Sherwin-Williams colors. Mount Etna reads as blue-grey, while Polished Concrete reads as grey — two distinct hue families, not close cousins. At LRV 32 vs 6, Polished Concrete will read as the brighter of the two — a 25-point gap that matters most in north-facing or low-light rooms. The tonal difference — Mount Etna's cool character against Polished Concrete's neutral — becomes most visible against white trim or in morning light. At ΔE 34.3, 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.