Gauntlet Gray vs Sea Mariner
Both are Sherwin-Williams colors. Gauntlet Gray reads as grey, while Sea Mariner reads as blue-grey — two distinct hue families, not close cousins. At LRV 17 vs 7, Gauntlet Gray will read as the brighter of the two — a 11-point gap that matters most in north-facing or low-light rooms. The tonal difference — Gauntlet Gray's neutral character against Sea Mariner's cool — becomes most visible against white trim or in morning light. At ΔE 20.4, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Gauntlet Gray vs Sea Mariner in Real Spaces
1 real room side by side. Seeing Gauntlet Gray 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
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The LRV gap is large enough that Gauntlet Gray will make the room feel meaningfully brighter than Sea Mariner would.
Color Details
Gauntlet Gray vs Sea Mariner Simulated Comparison
5 simulated room previews — drag the slider on each to see Gauntlet Gray 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 Gauntlet Gray comparisons
See how Gauntlet Gray stacks up against other well-photographed colors across different brands and tones.
At LRV 83 vs 17, White Dove is decisively the brighter choice.
Ammonite reflects far more light (LRV 69 vs 17), opening up a space where Gauntlet Gray encloses it.
A 12-point LRV gap (17 vs 6) makes Gauntlet Gray the marginally brighter of the two.
Purbeck Stone reflects far more light (LRV 52 vs 17), opening up a space where Gauntlet Gray encloses it.
Evergreen Fog reflects far more light (LRV 30 vs 17), opening up a space where Gauntlet Gray encloses it.
At LRV 52 vs 17, Mizzle is decisively the brighter choice.
Agreeable Gray reflects far more light (LRV 60 vs 17), opening up a space where Gauntlet Gray encloses it.
At LRV 58 vs 17, Accessible Beige is decisively the brighter choice.
A 10-point LRV gap (27 vs 17) makes Denim Drift the marginally brighter of the two.
French Gray reflects far more light (LRV 43 vs 17), opening up a space where Gauntlet Gray encloses it.
Gauntlet Gray reflects far more light (LRV 17 vs 4), opening up a space where Naval encloses it.
At LRV 55 vs 17, Tranquil Dawn is decisively the brighter choice.
A 4-point LRV gap (17 vs 13) makes Gauntlet Gray the marginally brighter of the two.
At LRV 44 vs 17, Hardwick White is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 17), opening up a space where Gauntlet Gray encloses it.
Artichoke reads slightly lighter (LRV 21 vs 17), a gap that shows most in low-lit rooms.
At LRV 66 vs 17, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 17, Shoji White is decisively the brighter choice.
At LRV 83 vs 17, Snowbound is decisively the brighter choice.
A 6-point LRV gap (17 vs 12) makes Gauntlet Gray the marginally brighter of the two.
At LRV 68 vs 17, Skimming Stone is decisively the brighter choice.
Dix Blue reflects far more light (LRV 41 vs 17), opening up a space where Gauntlet Gray encloses it.
Calamine reflects far more light (LRV 68 vs 17), opening up a space where Gauntlet Gray encloses it.
Treron reads slightly lighter (LRV 25 vs 17), a gap that shows most in low-lit rooms.
A 6-point LRV gap (17 vs 12) makes Gauntlet Gray the marginally brighter of the two.
At LRV 45 vs 17, Saybrook Sage is decisively the brighter choice.
Pale Green reflects far more light (LRV 31 vs 17), opening up a space where Gauntlet Gray encloses it.
Gauntlet Gray reads slightly lighter (LRV 17 vs 7), a gap that shows most in low-lit rooms.
Cement grey reads slightly lighter (LRV 24 vs 17), a gap that shows most in low-lit rooms.
Guilford Green reflects far more light (LRV 57 vs 17), opening up a space where Gauntlet Gray encloses it.