RAL 780-4 vs Piazza
RAL 780-4 is a RAL Effect color while Piazza comes from Tikkurila. Hue-wise, RAL 780-4 belongs to the beige family and Piazza to the beige-greige family. At LRV 65 vs 47, Piazza will read as the brighter of the two — a 18-point gap that matters most in north-facing or low-light rooms. At ΔE 23.8, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
RAL 780-4 vs Piazza in Real Spaces
2 real rooms side by side. Seeing RAL 780-4 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
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. 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 780-4 vs Piazza Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 780-4 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 780-4 comparisons
See how RAL 780-4 stacks up against other well-photographed colors across different brands and tones.












































