Black Locust vs Mouse grey
Black Locust is a Behr color while Mouse grey comes from RAL Classic. These are both greys, so the question isn't which hue to choose — it's where within grey to land. At LRV 18 vs 13, Mouse grey will read as the brighter of the two — a 5-point gap that matters most in north-facing or low-light rooms. With a ΔE of 2.9, 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.
Black Locust vs Mouse grey in Real Spaces
1 real room side by side. Black Locust 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.
Living Room
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. Mouse grey has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
Black Locust vs Mouse grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Black Locust 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 Black Locust comparisons
See how Black Locust stacks up against other well-photographed colors across different brands and tones.
