Black grey vs Piazza
Black grey (RAL Classic) and Piazza (Tikkurila) come from different manufacturers. Hue-wise, Black grey belongs to the blue-grey family and Piazza to the beige-greige family. The 59-point LRV gap — 65 for Piazza vs 6 for Black grey — means Piazza will open up a space more effectively. A ΔE of 64.5 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.
Black grey vs Piazza in Real Spaces
1 real room side by side. Seeing Black 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 Black grey.
Color Details
Black grey vs Piazza Simulated Comparison
5 simulated room previews — drag the slider on each to see Black 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 Black grey comparisons
See how Black grey stacks up against other well-photographed colors across different brands and tones.
