Cobble Brown vs Sea Mariner
Both from Sherwin-Williams's palette. Cobble Brown reads as beige-greige, while Sea Mariner reads as blue-grey — two distinct hue families, not close cousins. Cobble Brown (LRV 14) reflects noticeably more light than Sea Mariner (LRV 7), a difference of 7 points that becomes especially apparent in rooms with limited natural light. Cobble Brown runs warm while Sea Mariner is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 23.7, 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
Cobble Brown vs Sea Mariner Simulated Comparison
5 simulated room previews — drag the slider on each to see Cobble Brown on one side and Sea Mariner 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 Cobble Brown comparisons
See how Cobble Brown stacks up against other well-photographed colors across different brands and tones.
