RAL 850-4 vs Quarry Stone
RAL 850-4 is a RAL Effect color while Quarry Stone comes from Sherwin-Williams. RAL 850-4 reads as grey, while Quarry Stone reads as greige-grey — two distinct hue families, not close cousins. With LRVs of 27 and 27, they'll behave almost identically in terms of how much light they reflect back into a room. At ΔE 4.5, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
RAL 850-4 vs Quarry Stone Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 850-4 on one side and Quarry Stone 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 850-4 comparisons
See how RAL 850-4 stacks up against other well-photographed colors across different brands and tones.
