Heather Gray vs Grey Blue
Heather Gray (Benjamin Moore) and Grey Blue (RAL Classic) come from different manufacturers. Hue-wise, Heather Gray belongs to the green-grey family and Grey Blue to the blue-grey family. The 27-point LRV gap — 35 for Heather Gray vs 7 for Grey Blue — means Heather Gray will open up a space more effectively. A ΔE of 35.5 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
Heather Gray vs Grey Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Heather Gray on one side and Grey Blue 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 Heather Gray comparisons
See how Heather Gray stacks up against other well-photographed colors across different brands and tones.








































