Castle Walls vs French Gray
Castle Walls is a Benjamin Moore color while French Gray comes from Farrow & Ball. Hue-wise, Castle Walls belongs to the green-grey family and French Gray to the beige-greige family. With LRVs of 41 and 43, 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 French Gray's warm — becomes most visible against white trim or in morning light. At ΔE 10.2, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. 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 French Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Castle Walls on one side and French Gray 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.
