RAL 170-1 vs Piazza
Where RAL 170-1 belongs to RAL Effect's range, Piazza is a Tikkurila color. Hue-wise, RAL 170-1 belongs to the blue-grey family and Piazza to the beige-greige family. Piazza (LRV 65) reflects noticeably more light than RAL 170-1 (LRV 58), a difference of 7 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 10.4, 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.
RAL 170-1 vs Piazza in Real Spaces
2 real rooms side by side. Seeing RAL 170-1 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
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Piazza reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
RAL 170-1 vs Piazza Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 170-1 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 RAL 170-1 comparisons
See how RAL 170-1 stacks up against other well-photographed colors across different brands and tones.
