Granite Boulder vs Cement grey
Where Granite Boulder belongs to Behr's range, Cement grey is a RAL Classic color. Hue-wise, Granite Boulder belongs to the greige-grey family and Cement grey to the grey family. Granite Boulder (LRV 42) reflects noticeably more light than Cement grey (LRV 24), a difference of 18 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 17.5, 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.
Granite Boulder vs Cement grey in Real Spaces
2 real rooms side by side. Seeing Granite Boulder 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.
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 Granite Boulder will make the room feel meaningfully brighter than Cement grey would.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Granite Boulder reflects noticeably more light off the walls, making the space read more open than Cement grey.
Color Details
Granite Boulder vs Cement grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Granite Boulder 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 Granite Boulder comparisons
See how Granite Boulder stacks up against other well-photographed colors across different brands and tones.
