Festoon Aqua vs Mountain Air

Both are Sherwin-Williams colors. Hue-wise, Festoon Aqua belongs to the blue family and Mountain Air to the blue-grey family. At LRV 73 vs 46, Mountain Air will read as the brighter of the two — a 27-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 16.3, 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.