RAL 730-6 vs Piazza
RAL 730-6 (RAL Effect) and Piazza (Tikkurila) come from different manufacturers. RAL 730-6 reads as blue, while Piazza reads as beige-greige — two distinct hue families, not close cousins. The 48-point LRV gap — 65 for Piazza vs 17 for RAL 730-6 — means Piazza will open up a space more effectively. A ΔE of 40.3 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.
RAL 730-6 vs Piazza in Real Spaces
1 real room side by side. Seeing RAL 730-6 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
Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. Piazza returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
RAL 730-6 vs Piazza Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 730-6 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 730-6 comparisons
See how RAL 730-6 stacks up against other well-photographed colors across different brands and tones.










































