Castle Walls vs RAL 180-1
Where Castle Walls belongs to Benjamin Moore's range, RAL 180-1 is a RAL Effect color. Hue-wise, Castle Walls belongs to the green-grey family and RAL 180-1 to the blue family. RAL 180-1 (LRV 49) reflects noticeably more light than Castle Walls (LRV 41), a difference of 8 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 11.4, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Castle Walls vs RAL 180-1 Simulated Comparison
5 simulated room previews — drag the slider on each to see Castle Walls 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 Castle Walls comparisons
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