Cement grey vs Blue Sky
Cement grey (RAL Classic) and Blue Sky (Sherwin-Williams) come from different manufacturers. Hue-wise, Cement grey belongs to the grey family and Blue Sky to the blue family. The 34-point LRV gap — 58 for Blue Sky vs 24 for Cement grey — means Blue Sky will open up a space more effectively. A ΔE of 30.1 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
Cement grey vs Blue Sky Simulated Comparison
5 simulated room previews — drag the slider on each to see Cement grey on one side and Blue Sky 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 Cement grey comparisons
See how Cement grey stacks up against other well-photographed colors across different brands and tones.
