Sea Mariner vs Tarnished Treasure
Sea Mariner and Tarnished Treasure come from the same Sherwin-Williams collection. Sea Mariner reads as blue-grey, while Tarnished Treasure reads as beige — two distinct hue families, not close cousins. The 32-point LRV gap — 38 for Tarnished Treasure vs 7 for Sea Mariner — means Tarnished Treasure will open up a space more effectively. Where Sea Mariner leans cool, Tarnished Treasure reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 47.4 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Sea Mariner vs Tarnished Treasure Simulated Comparison
5 simulated room previews — drag the slider on each to see Sea Mariner on one side and Tarnished Treasure 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 Sea Mariner comparisons
See how Sea Mariner stacks up against other well-photographed colors across different brands and tones.
