Little Boy Blu vs Mountain Air

Little Boy Blu and Mountain Air come from the same Sherwin-Williams collection. Little Boy Blu reads as blue, while Mountain Air reads as blue-grey — two distinct hue families, not close cousins. The 7-point LRV gap — 73 for Mountain Air vs 67 for Little Boy Blu — means Mountain Air will open up a space more effectively. Both share a cool character, which means they'll respond to light and surrounding materials in similar ways. ΔE 5.0 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.