Basalt vs Mouse grey
Basalt is a Tikkurila color while Mouse grey comes from RAL Classic. At LRV 18 vs 14, Mouse grey will read as the brighter of the two — a 4-point gap that matters most in north-facing or low-light rooms. With a ΔE of 2.6, the difference is subtle — you'd need them side by side to reliably tell them apart.
Basalt vs Mouse grey Color Comparison
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.
Color Details
Basalt vs Mouse grey in Real Spaces
Basalt and Mouse grey are close enough that the difference can be hard to judge from a chip alone. These real-room photos show how each reads at scale, across different spaces and lighting conditions. Showing 1 room type where both colors have photos.
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.
@mjb.decorating
More Basalt comparisons
See how Basalt stacks up against other well-photographed colors across different brands and tones.

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