Gunmetal vs Grey Blue
Gunmetal is a Benjamin Moore color while Grey Blue comes from RAL Classic. Hue-wise, Gunmetal belongs to the grey family and Grey Blue to the blue-grey family. At LRV 17 vs 7, Gunmetal will read as the brighter of the two — a 9-point gap that matters most in north-facing or low-light rooms. At ΔE 15.4, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Gunmetal vs Grey Blue in Real Spaces
1 real room side by side. Seeing Gunmetal and Grey Blue in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Color Details
Gunmetal vs Grey Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Gunmetal 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 Gunmetal comparisons
See how Gunmetal stacks up against other well-photographed colors across different brands and tones.










































