Cement grey vs Gateway Gray
Where Cement grey belongs to RAL Classic's range, Gateway Gray is a Sherwin-Williams color. Cement grey reads as grey, while Gateway Gray reads as greige-grey — two distinct hue families, not close cousins. Gateway Gray (LRV 41) reflects noticeably more light than Cement grey (LRV 24), a difference of 17 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 17.1, 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 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Cement grey vs Gateway Gray in Real Spaces
2 real rooms side by side. Seeing Cement grey and Gateway Gray 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 Gateway Gray will make the room feel meaningfully brighter than Cement grey would.
House
Seen across an entire facade, subtle tonal differences become pronounced. What reads as nearly the same on a chip often reads as clearly different at scale. Gateway Gray reflects noticeably more light off the walls, making the space read more open than Cement grey.
Color Details
Cement grey vs Gateway Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Cement grey on one side and Gateway Gray 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.
