Slate grey vs Naval
Slate grey (RAL Classic) and Naval (Sherwin-Williams) come from different manufacturers. Hue-wise, Slate grey belongs to the blue-grey family and Naval to the blue family. The 7-point LRV gap — 12 for Slate grey vs 4 for Naval — means Slate grey will open up a space more effectively. A ΔE of 12.5 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 4 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Slate grey vs Naval in Real Spaces
4 real rooms side by side. Seeing Slate grey and Naval in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bedroom
Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. Slate grey has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
House
A full exterior is the most demanding test for a paint color — scale and outdoor light both amplify differences that seem small on a swatch. Slate grey has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Front Door
On a front door, the color is both the first and last thing you see — a context where even a modest tonal difference reads clearly. Slate grey reads slightly lighter here — a subtle but real difference in how open the space feels.
Kitchen Cabinets
Cabinet color is always seen in context — against countertops, backsplash, and hardware — which amplifies undertone differences that might disappear on a plain wall. Slate grey has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
Slate grey vs Naval Simulated Comparison
5 simulated room previews — drag the slider on each to see Slate grey on one side and Naval 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 Slate grey comparisons
See how Slate grey stacks up against other well-photographed colors across different brands and tones.















































