Cool Blue vs Cement grey
Where Cool Blue belongs to Benjamin Moore's range, Cement grey is a RAL Classic color. Cool Blue reads as blue, while Cement grey reads as grey — two distinct hue families, not close cousins. Cool Blue (LRV 30) reflects noticeably more light than Cement grey (LRV 24), a difference of 6 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 33.6, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Cool Blue vs Cement grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Cool 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 Cool Blue comparisons
See how Cool Blue stacks up against other well-photographed colors across different brands and tones.

At LRV 83 vs 30, White Dove is decisively the brighter choice.

Purbeck Stone reflects far more light (LRV 52 vs 30), opening up a space where Cool Blue encloses it.

With LRVs of 30 and 30, the two reflect almost the same amount of light.

Agreeable Gray reflects far more light (LRV 60 vs 30), opening up a space where Cool Blue encloses it.

At LRV 58 vs 30, Accessible Beige is decisively the brighter choice.

Their light reflectance is nearly identical (LRV 30 vs 27), so neither reads brighter in a room.

French Gray reflects far more light (LRV 43 vs 30), opening up a space where Cool Blue encloses it.

At LRV 55 vs 30, Tranquil Dawn is decisively the brighter choice.

At LRV 44 vs 30, Hardwick White is decisively the brighter choice.

Pure White reflects far more light (LRV 84 vs 30), opening up a space where Cool Blue encloses it.

At LRV 66 vs 30, Balboa Mist is decisively the brighter choice.

At LRV 74 vs 30, Shoji White is decisively the brighter choice.

At LRV 30 vs 12, Cool Blue is decisively the brighter choice.

At LRV 68 vs 30, Skimming Stone is decisively the brighter choice.

At LRV 30 vs 12, Cool Blue is decisively the brighter choice.

At LRV 45 vs 30, Saybrook Sage is decisively the brighter choice.

With LRVs of 31 and 30, the two reflect almost the same amount of light.

Cool Blue reflects far more light (LRV 30 vs 7), opening up a space where Pine Needle encloses it.

Guilford Green reflects far more light (LRV 57 vs 30), opening up a space where Cool Blue encloses it.

Just Walnut reflects far more light (LRV 72 vs 30), opening up a space where Cool Blue encloses it.



















