Guilford Green vs Castle Stone
Where Guilford Green belongs to Benjamin Moore's range, Castle Stone is a PPG color. Hue-wise, Guilford Green belongs to the beige-green family and Castle Stone to the grey family. Guilford Green (LRV 57) reflects noticeably more light than Castle Stone (LRV 9), a difference of 48 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 45.8, 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
Guilford Green vs Castle Stone Simulated Comparison
5 simulated room previews — drag the slider on each to see Guilford Green on one side and Castle 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 Guilford Green comparisons
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