Coastal Grey vs Piazza
Coastal Grey (Dulux) and Piazza (Tikkurila) come from different manufacturers. Hue-wise, Coastal Grey belongs to the blue-grey family and Piazza to the beige-greige family. The 9-point LRV gap — 65 for Piazza vs 56 for Coastal Grey — means Piazza will open up a space more effectively. A ΔE of 12.0 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Coastal Grey vs Piazza in Real Spaces
1 real room side by side. Seeing Coastal 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
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 Coastal Grey.
Color Details
Coastal Grey vs Piazza Simulated Comparison
5 simulated room previews — drag the slider on each to see Coastal 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 Coastal Grey comparisons
See how Coastal Grey stacks up against other well-photographed colors across different brands and tones.
