Harbor Fog vs Cement grey
Harbor Fog (Benjamin Moore) and Cement grey (RAL Classic) come from different manufacturers. Harbor Fog reads as blue, while Cement grey reads as grey — two distinct hue families, not close cousins. The 51-point LRV gap — 75 for Harbor Fog vs 24 for Cement grey — means Harbor Fog will open up a space more effectively. A ΔE of 38.7 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.
Harbor Fog vs Cement grey in Real Spaces
2 real rooms side by side. Seeing Harbor Fog 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
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. Harbor Fog 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. Harbor Fog reflects noticeably more light off the walls, making the space read more open than Cement grey.
Color Details
Harbor Fog vs Cement grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Harbor Fog 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 Harbor Fog comparisons
See how Harbor Fog stacks up against other well-photographed colors across different brands and tones.












































