Slate grey vs Piazza
Slate grey is a RAL Classic color while Piazza comes from Tikkurila. Slate grey reads as blue-grey, while Piazza reads as beige-greige — two distinct hue families, not close cousins. At LRV 65 vs 12, Piazza will read as the brighter of the two — a 53-point gap that matters most in north-facing or low-light rooms. At ΔE 50.4, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Slate grey vs Piazza in Real Spaces
1 real room side by side. Seeing Slate 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.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The LRV gap is large enough that Piazza will make the room feel meaningfully brighter than Slate grey would.
Color Details
Slate grey vs Piazza Simulated Comparison
5 simulated room previews — drag the slider on each to see Slate 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 Slate grey comparisons
See how Slate grey stacks up against other well-photographed colors across different brands and tones.










































