Warm Onyx vs Piazza
Where Warm Onyx belongs to Behr's range, Piazza is a Tikkurila color. Warm Onyx reads as grey, while Piazza reads as beige-greige — two distinct hue families, not close cousins. Piazza (LRV 65) reflects noticeably more light than Warm Onyx (LRV 7), a difference of 58 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 53.8, 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 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Warm Onyx vs Piazza in Real Spaces
1 real room side by side. Seeing Warm Onyx 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.
Color Details
Warm Onyx vs Piazza Simulated Comparison
5 simulated room previews — drag the slider on each to see Warm Onyx 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 Warm Onyx comparisons
See how Warm Onyx stacks up against other well-photographed colors across different brands and tones.
