Sea Mariner vs Slumber Sloth
Sea Mariner and Slumber Sloth come from the same Sherwin-Williams collection. Sea Mariner reads as blue-grey, while Slumber Sloth reads as beige-greige — two distinct hue families, not close cousins. The 50-point LRV gap — 56 for Slumber Sloth vs 7 for Sea Mariner — means Slumber Sloth will open up a space more effectively. Where Sea Mariner leans cool, Slumber Sloth reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 51.1 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 Slumber Sloth Simulated Comparison
5 simulated room previews — drag the slider on each to see Sea Mariner on one side and Slumber Sloth 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.








































