Shadow Mountain vs Cement grey
Shadow Mountain (Behr) and Cement grey (RAL Classic) come from different manufacturers. These are both greys, so the question isn't which hue to choose — it's where within grey to land. The 14-point LRV gap — 24 for Cement grey vs 10 for Shadow Mountain — means Cement grey will open up a space more effectively. A ΔE of 18.3 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.
Shadow Mountain vs Cement grey in Real Spaces
1 real room side by side. Seeing Shadow Mountain and Cement grey in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
House
A full exterior is the most demanding test for a paint color — scale and outdoor light both amplify differences that seem small on a swatch. Cement grey returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Shadow Mountain vs Cement grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Shadow Mountain on one side and Cement grey 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 Shadow Mountain comparisons
See how Shadow Mountain stacks up against other well-photographed colors across different brands and tones.










































