Mountain Pass vs Piazza
Mountain Pass is a Sherwin-Williams color while Piazza comes from Tikkurila. Mountain Pass reads as blue-grey, while Piazza reads as beige-greige — two distinct hue families, not close cousins. At LRV 65 vs 14, Piazza will read as the brighter of the two — a 51-point gap that matters most in north-facing or low-light rooms. At ΔE 41.9, 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.
Mountain Pass vs Piazza in Real Spaces
2 real rooms side by side. Seeing Mountain Pass 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.
Home Office
In a home office, wall color sits in your peripheral vision for hours at a time, so temperature and undertone matter more than you might expect. The LRV gap is large enough that Piazza will make the room feel meaningfully brighter than Mountain Pass would.
Color Details
Mountain Pass vs Piazza Simulated Comparison
5 simulated room previews — drag the slider on each to see Mountain Pass 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 Mountain Pass comparisons
See how Mountain Pass stacks up against other well-photographed colors across different brands and tones.
