Cement grey vs Iron grey
Cement grey and Iron grey come from the same RAL Classic collection. Hue-wise, Cement grey belongs to the grey family and Iron grey to the blue-grey family. The 12-point LRV gap — 24 for Cement grey vs 12 for Iron grey — means Cement grey will open up a space more effectively. A ΔE of 19.5 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Cement grey vs Iron grey in Real Spaces
2 real rooms side by side. Seeing Cement grey and Iron 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.
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. Cement grey reflects noticeably more light off the walls, making the space read more open than Iron grey.
Color Details
Cement grey vs Iron grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Cement grey on one side and Iron 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.
