Alabaster vs Sea Mariner
Alabaster and Sea Mariner come from the same Sherwin-Williams collection. Hue-wise, Alabaster belongs to the beige-greige family and Sea Mariner to the blue-grey family. The 76-point LRV gap — 82 for Alabaster vs 7 for Sea Mariner — means Alabaster will open up a space more effectively. Where Alabaster leans warm, Sea Mariner reads cool — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 62.7 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Alabaster vs Sea Mariner in Real Spaces
1 real room side by side. Seeing Alabaster and Sea Mariner in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Kitchen Cabinets
Cabinet color is always seen in context — against countertops, backsplash, and hardware — which amplifies undertone differences that might disappear on a plain wall. Alabaster returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Alabaster vs Sea Mariner Simulated Comparison
5 simulated room previews — drag the slider on each to see Alabaster 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 Alabaster comparisons
See how Alabaster stacks up against other well-photographed colors across different brands and tones.
