Marine vs Portsmouth

Both are Sherwin-Williams colors. Hue-wise, Marine belongs to the green-grey family and Portsmouth to the blue-grey family. At LRV 36 vs 22, Marine will read as the brighter of the two — a 14-point gap that matters most in north-facing or low-light rooms. The tonal difference — Marine's cool character against Portsmouth's neutral — becomes most visible against white trim or in morning light. At ΔE 13.2, 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.