Mouse grey vs Piazza
Mouse grey is a RAL Classic color while Piazza comes from Tikkurila. Mouse grey reads as grey, while Piazza reads as beige-greige — two distinct hue families, not close cousins. At LRV 65 vs 18, Piazza will read as the brighter of the two — a 47-point gap that matters most in north-facing or low-light rooms. At ΔE 38.8, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Mouse grey vs Piazza in Real Spaces
2 real rooms side by side. Seeing Mouse grey and Piazza in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
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. Piazza returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Kitchen
Kitchen lighting tends to be bright and directional, which sharpens contrast and makes undertone differences more apparent. The LRV gap is large enough that Piazza will make the room feel meaningfully brighter than Mouse grey would.
Color Details
Mouse grey vs Piazza Simulated Comparison
5 simulated room previews — drag the slider on each to see Mouse grey on one side and Piazza 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 Mouse grey comparisons
See how Mouse grey stacks up against other well-photographed colors across different brands and tones.
