Bancha vs Sea Mariner
Where Bancha belongs to Farrow & Ball's range, Sea Mariner is a Sherwin-Williams color. Hue-wise, Bancha belongs to the beige-greige family and Sea Mariner to the blue-grey family. Bancha (LRV 13) reflects noticeably more light than Sea Mariner (LRV 7), a difference of 7 points that becomes especially apparent in rooms with limited natural light. Bancha runs warm while Sea Mariner is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 29.9, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Bancha vs Sea Mariner in Real Spaces
1 real room side by side. Seeing Bancha 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
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Bancha reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Bancha vs Sea Mariner Simulated Comparison
5 simulated room previews — drag the slider on each to see Bancha 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 Bancha comparisons
See how Bancha stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 13), opening up a space where Bancha encloses it.
At LRV 52 vs 13, Purbeck Stone is decisively the brighter choice.
At LRV 30 vs 13, Evergreen Fog is decisively the brighter choice.
At LRV 60 vs 13, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 13), opening up a space where Bancha encloses it.
Denim Drift reflects far more light (LRV 27 vs 13), opening up a space where Bancha encloses it.
At LRV 43 vs 13, French Gray is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 13), opening up a space where Bancha encloses it.
Hardwick White reflects far more light (LRV 44 vs 13), opening up a space where Bancha encloses it.
At LRV 84 vs 13, Pure White is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 13), opening up a space where Bancha encloses it.
Shoji White reflects far more light (LRV 74 vs 13), opening up a space where Bancha encloses it.
With LRVs of 13 and 12, the two reflect almost the same amount of light.
Skimming Stone reflects far more light (LRV 68 vs 13), opening up a space where Bancha encloses it.
With LRVs of 13 and 12, the two reflect almost the same amount of light.
Saybrook Sage reflects far more light (LRV 45 vs 13), opening up a space where Bancha encloses it.
At LRV 31 vs 13, Pale Green is decisively the brighter choice.
A 6-point LRV gap (13 vs 7) makes Bancha the marginally brighter of the two.
A 11-point LRV gap (24 vs 13) makes Cement grey the marginally brighter of the two.
At LRV 57 vs 13, Guilford Green is decisively the brighter choice.
At LRV 72 vs 13, Just Walnut is decisively the brighter choice.