Mountain Air vs Passageway
Mountain Air (Dulux) and Passageway (Valspar) come from different manufacturers. Hue-wise, Mountain Air belongs to the green-white family and Passageway to the blue-grey family. The 74-point LRV gap — 88 for Mountain Air vs 14 for Passageway — means Mountain Air will open up a space more effectively. A ΔE of 52.2 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Mountain Air vs Passageway in Real Spaces
1 real room side by side. Seeing Mountain Air and Passageway in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. Mountain Air reflects noticeably more light off the walls, making the space read more open than Passageway.
Color Details
Mountain Air vs Passageway Simulated Comparison
5 simulated room previews — drag the slider on each to see Mountain Air on one side and Passageway 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 Mountain Air comparisons
See how Mountain Air stacks up against other well-photographed colors across different brands and tones.
