Westcott Navy vs Slate grey
Westcott Navy is a Benjamin Moore color while Slate grey comes from RAL Classic. Both sit in the blue-grey family, which is useful context if you're narrowing within a single hue direction. With LRVs of 10 and 12, they'll behave almost identically in terms of how much light they reflect back into a room. With a ΔE of 0.8, the difference is subtle — you'd need them side by side to reliably tell them apart. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Westcott Navy vs Slate grey in Real Spaces
3 real rooms side by side. Westcott Navy and Slate 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.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
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
Westcott Navy vs Slate grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Westcott Navy on one side and Slate 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 Westcott Navy comparisons
See how Westcott Navy stacks up against other well-photographed colors across different brands and tones.














































