Mountain Air vs Iron Ore
Where Mountain Air belongs to Dulux's range, Iron Ore is a Sherwin-Williams color. Hue-wise, Mountain Air belongs to the green-white family and Iron Ore to the grey family. Mountain Air (LRV 88) reflects noticeably more light than Iron Ore (LRV 6), a difference of 82 points that becomes especially apparent in rooms with limited natural light. Mountain Air runs warm while Iron Ore is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 66.4, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Mountain Air vs Iron Ore in Real Spaces
3 real rooms side by side. Seeing Mountain Air and Iron Ore 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
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The LRV gap is large enough that Mountain Air will make the room feel meaningfully brighter than Iron Ore would.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. Mountain Air reflects noticeably more light off the walls, making the space read more open than Iron Ore.
Mudroom
Mudrooms are seen in passing, often under whatever light comes through the door — a context that favors colors with some depth. Mountain Air returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Mountain Air vs Iron Ore Simulated Comparison
5 simulated room previews — drag the slider on each to see Mountain Air on one side and Iron Ore 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.
