Sea Mariner vs Tree Branch
Sea Mariner and Tree Branch come from the same Sherwin-Williams collection. Hue-wise, Sea Mariner belongs to the blue-grey family and Tree Branch to the beige-greige family. The 12-point LRV gap — 19 for Tree Branch vs 7 for Sea Mariner — means Tree Branch will open up a space more effectively. Where Sea Mariner leans cool, Tree Branch reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 28.1 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 Tree Branch Simulated Comparison
5 simulated room previews — drag the slider on each to see Sea Mariner on one side and Tree Branch 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.
