Gunmetal vs Mouse grey
Gunmetal is a Benjamin Moore color while Mouse grey comes from RAL Classic. Both sit in the grey family, which is useful context if you're narrowing within a single hue direction. With LRVs of 17 and 18, they'll behave almost identically in terms of how much light they reflect back into a room. With a ΔE of 2.5, the difference is subtle — you'd need them side by side to reliably tell them apart. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Gunmetal vs Mouse grey in Real Spaces
1 real room side by side. Gunmetal and Mouse grey are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
Color Details
Gunmetal vs Mouse grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Gunmetal on one side and Mouse 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 Gunmetal comparisons
See how Gunmetal stacks up against other well-photographed colors across different brands and tones.
