Millstone Gray vs Piazza
Millstone Gray (Benjamin Moore) and Piazza (Tikkurila) come from different manufacturers. Hue-wise, Millstone Gray belongs to the grey family and Piazza to the beige-greige family. The 48-point LRV gap — 65 for Piazza vs 17 for Millstone Gray — means Piazza will open up a space more effectively. A ΔE of 38.0 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Millstone Gray vs Piazza in Real Spaces
2 real rooms side by side. Seeing Millstone Gray 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
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. Piazza reflects noticeably more light off the walls, making the space read more open than Millstone Gray.
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. Piazza returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Millstone Gray vs Piazza Simulated Comparison
5 simulated room previews — drag the slider on each to see Millstone Gray 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 Millstone Gray comparisons
See how Millstone Gray stacks up against other well-photographed colors across different brands and tones.












































