Boudoir Blue vs Cement grey
Boudoir Blue (Behr) and Cement grey (RAL Classic) come from different manufacturers. Hue-wise, Boudoir Blue belongs to the blue family and Cement grey to the grey family. The 16-point LRV gap — 24 for Cement grey vs 8 for Boudoir Blue — means Cement grey will open up a space more effectively. A ΔE of 46.2 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.
Boudoir Blue vs Cement grey in Real Spaces
1 real room side by side. Seeing Boudoir Blue 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.
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 Boudoir Blue.
Color Details
Boudoir Blue vs Cement grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Boudoir Blue 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 Boudoir Blue comparisons
See how Boudoir Blue stacks up against other well-photographed colors across different brands and tones.
