Cloud Nine vs Mountain Air
Cloud Nine and Mountain Air come from the same Sherwin-Williams collection. Cloud Nine reads as white, while Mountain Air reads as blue-grey — two distinct hue families, not close cousins. The 5-point LRV gap — 78 for Cloud Nine vs 73 for Mountain Air — means Cloud Nine will open up a space more effectively. Where Cloud Nine leans neutral, Mountain Air reads cool — a distinction that shifts noticeably depending on the light source and surrounding finishes. ΔE 4.2 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.
Color Details
Cloud Nine vs Mountain Air Simulated Comparison
5 simulated room previews — drag the slider on each to see Cloud Nine on one side and Mountain Air on the other.
Digital color is approximate. These simulations are generated from the manufacturer's hex values and overlaid on grayscale room photos — your screen's calibration, brightness, and viewing angle all affect how they render. Before committing to either color, test physical samples in your own space under the light you actually live with.
More Cloud Nine comparisons
See how Cloud Nine stacks up against other well-photographed colors across different brands and tones.
