Sea Mariner
There is more to Sherwin-Williams Sea Mariner (9640) than the swatch alone: its depth, undertones and setting all shape the final impression. Its LRV of 6.7 gives it real visual weight, allowing the color to hold a wall rather than simply recede from view. Its related shades below reveal where the color harmonizes—and where contrast brings it fully to life.
Hex
#434A54LRV
6.68
Sea Mariner in Rooms
Follow Sea Mariner from one space to another and watch how light, scale and surrounding materials reshape its character. 4 sourced room photos offer a closer look at the color in lived-in settings.
1 Misc Photo
The 1 misc image turn a neutral swatch into something more spatial and expressive. Its cool classification can bring a composed, clean tension to warmer finishes.
Utility room walls in Sea Mariner maximize storage space functionality.
@patti_wilson_design
2 Kitchen Cabinets Photos
Viewed across 2 kitchen cabinets images in cabinetry, where color becomes part of the room’s architecture, Sea Mariner (9640) reveals how much color depends on scale, surface and shadow. With an LRV of 6.7, it carries enough visual weight to make light, trim and texture feel especially deliberate.
Kitchen cabinets painted Sea Mariner provide rich, sophisticated storage.
@patti_wilson_design
Cabinet surfaces in Sea Mariner deliver timeless, elegant depth.
@dutchhausfurniture
1 Mudroom Photo
Sea Mariner (9640) brings its neutral character into a practical threshold where the outdoors enters the home. Its cool classification can bring a composed, clean tension to warmer finishes.
Mudroom walls in Sea Mariner establish a functional, inviting entry.
@dutchhausfurniture
Coordinating Colors
At LRV 88 vs 7, Frost Bite is decisively the brighter choice.
At LRV 59 vs 7, Natural Wool is decisively the brighter choice.
Sleepy Owlet reflects far more light (LRV 39 vs 7), opening up a space where Sea Mariner encloses it.
Similar Colors
With LRVs of 7 and 6, the two reflect almost the same amount of light.
Their light reflectance is nearly identical (LRV 7 vs 6), so neither reads brighter in a room.
Their light reflectance is nearly identical (LRV 7 vs 7), so neither reads brighter in a room.
With LRVs of 7 and 7, the two reflect almost the same amount of light.
With LRVs of 7 and 6, the two reflect almost the same amount of light.
Their light reflectance is nearly identical (LRV 7 vs 6), so neither reads brighter in a room.
With LRVs of 8 and 7, the two reflect almost the same amount of light.
Their light reflectance is nearly identical (LRV 7 vs 6), so neither reads brighter in a room.
With LRVs of 7 and 4, the two reflect almost the same amount of light.
Complementary Colors
Truly Taupe reflects far more light (LRV 35 vs 7), opening up a space where Sea Mariner encloses it.
Heavenly White reflects far more light (LRV 81 vs 7), opening up a space where Sea Mariner encloses it.
At LRV 74 vs 7, Original White is decisively the brighter choice.
At LRV 35 vs 7, Palisade is decisively the brighter choice.
A 6-point LRV gap (13 vs 7) makes Griffin the marginally brighter of the two.
At LRV 20 vs 7, Warm Stone is decisively the brighter choice.
Mercurial reflects far more light (LRV 61 vs 7), opening up a space where Sea Mariner encloses it.
Lighter Colors
Downing Slate reflects far more light (LRV 21 vs 7), opening up a space where Sea Mariner encloses it.
Gibraltar reads slightly lighter (LRV 14 vs 7), a gap that shows most in low-lit rooms.
Granite Peak reads slightly lighter (LRV 14 vs 7), a gap that shows most in low-lit rooms.
With LRVs of 9 and 7, the two reflect almost the same amount of light.
A 9-point LRV gap (15 vs 7) makes Distance the marginally brighter of the two.
Darker Colors
Sea Mariner reads slightly lighter (LRV 7 vs 3), a gap that shows most in low-lit rooms.
With LRVs of 7 and 6, the two reflect almost the same amount of light.
Their light reflectance is nearly identical (LRV 7 vs 6), so neither reads brighter in a room.
Color Codes
Manufacturer description
This deep, sophisticated navy-tinged gray evokes the shadowed hull of a ship cutting through twilight waters, grounding any room with quiet confidence and nautical elegance. Perfect for creating an intimate, moody atmosphere in bedrooms or studies, it pairs beautifully with crisp whites and warm wood accents.