Castle Walls vs Mount Saint Anne
Both are Benjamin Moore colors. Hue-wise, Castle Walls belongs to the green-grey family and Mount Saint Anne to the blue-grey family. With LRVs of 41 and 42, they'll behave almost identically in terms of how much light they reflect back into a room. The tonal difference — Castle Walls's green character against Mount Saint Anne's green and blue — becomes most visible against white trim or in morning light. At ΔE 3.5, 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
Castle Walls vs Mount Saint Anne Simulated Comparison
5 simulated room previews — drag the slider on each to see Castle Walls on one side and Mount Saint Anne 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
See how Castle Walls stacks up against other well-photographed colors across different brands and tones.








































