Honolulu Blue vs Cement grey
Honolulu Blue (Benjamin Moore) and Cement grey (RAL Classic) come from different manufacturers. Hue-wise, Honolulu Blue belongs to the blue family and Cement grey to the grey family. The 37-point LRV gap — 61 for Honolulu Blue vs 24 for Cement grey — means Honolulu Blue will open up a space more effectively. A ΔE of 39.8 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Honolulu Blue vs Cement grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Honolulu 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 Honolulu Blue comparisons
See how Honolulu Blue stacks up against other well-photographed colors across different brands and tones.
