Cement grey vs Window grey
Cement grey and Window grey come from the same RAL Classic collection. Hue-wise, Cement grey belongs to the grey family and Window grey to the blue-grey family. The 12-point LRV gap — 36 for Window grey vs 24 for Cement grey — means Window grey will open up a space more effectively. A ΔE of 14.7 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Cement grey vs Window grey in Real Spaces
3 real rooms side by side. Seeing Cement grey and Window grey 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. Window grey reflects noticeably more light off the walls, making the space read more open than Cement grey.
Front Door
On a front door, the color is both the first and last thing you see — a context where even a modest tonal difference reads clearly. Window grey reflects noticeably more light off the walls, making the space read more open than Cement grey.
Kitchen Cabinets
Cabinet color is always seen in context — against countertops, backsplash, and hardware — which amplifies undertone differences that might disappear on a plain wall. Window 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
Cement grey vs Window grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Cement grey on one side and Window 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 Cement grey comparisons
See how Cement grey stacks up against other well-photographed colors across different brands and tones.
