Rookwood Brown vs Sea Mariner
Both are Sherwin-Williams colors. Rookwood Brown reads as beige-greige, while Sea Mariner reads as blue-grey — two distinct hue families, not close cousins. At LRV 14 vs 7, Rookwood Brown will read as the brighter of the two — a 7-point gap that matters most in north-facing or low-light rooms. The tonal difference — Rookwood Brown's warm character against Sea Mariner's cool — becomes most visible against white trim or in morning light. At ΔE 29.1, 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
Rookwood Brown vs Sea Mariner Simulated Comparison
5 simulated room previews — drag the slider on each to see Rookwood 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 Rookwood Brown comparisons
See how Rookwood Brown stacks up against other well-photographed colors across different brands and tones.








































