Underseas vs Piazza
Where Underseas belongs to Sherwin-Williams's range, Piazza is a Tikkurila color. Hue-wise, Underseas belongs to the green-grey family and Piazza to the beige-greige family. Piazza (LRV 65) reflects noticeably more light than Underseas (LRV 25), a difference of 40 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 28.5, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Underseas vs Piazza in Real Spaces
2 real rooms side by side. Seeing Underseas 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
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The LRV gap is large enough that Piazza will make the room feel meaningfully brighter than Underseas would.
Color Details
Underseas vs Piazza Simulated Comparison
5 simulated room previews — drag the slider on each to see Underseas 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 Underseas comparisons
See how Underseas stacks up against other well-photographed colors across different brands and tones.
