Stone Castle vs RAL 180-1
Stone Castle (Benjamin Moore) and RAL 180-1 (RAL Effect) come from different manufacturers. Hue-wise, Stone Castle belongs to the beige-greige family and RAL 180-1 to the blue family. Their light reflectance values are nearly the same — 51 vs 49 — so neither will read significantly brighter or darker than the other. A ΔE of 16.3 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Stone Castle vs RAL 180-1 Simulated Comparison
5 simulated room previews — drag the slider on each to see Stone Castle on one side and RAL 180-1 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 Stone Castle comparisons
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