Mountainscape vs Grey Steel 4
Mountainscape (Benjamin Moore) and Grey Steel 4 (Dulux) come from different manufacturers. Mountainscape reads as green-white, while Grey Steel 4 reads as grey-white — two distinct hue families, not close cousins. The 4-point LRV gap — 83 for Grey Steel 4 vs 79 for Mountainscape — means Grey Steel 4 will open up a space more effectively. Both share a neutral character, which means they'll respond to light and surrounding materials in similar ways. A ΔE of 0.9 puts them in subtle territory — distinguishable in direct comparison, less so from across a 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
Mountainscape vs Grey Steel 4 Simulated Comparison
5 simulated room previews — drag the slider on each to see Mountainscape on one side and Grey Steel 4 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 Mountainscape comparisons
See how Mountainscape stacks up against other well-photographed colors across different brands and tones.








































