Cos Cob Stonewall vs Plum Royale
Both from Benjamin Moore's palette. Both sit in the grey family, which is useful context if you're narrowing within a single hue direction. Cos Cob Stonewall (LRV 26) reflects noticeably more light than Plum Royale (LRV 6), a difference of 20 points that becomes especially apparent in rooms with limited natural light. Cos Cob Stonewall runs green while Plum Royale is decidedly purple, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 36.1, 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
Cos Cob Stonewall vs Plum Royale Simulated Comparison
5 simulated room previews — drag the slider on each to see Cos Cob Stonewall on one side and Plum Royale 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 Cos Cob Stonewall comparisons
See how Cos Cob Stonewall stacks up against other well-photographed colors across different brands and tones.
