Half-Caff vs Sea Mariner
Both from Sherwin-Williams's palette. Hue-wise, Half-Caff belongs to the beige-greige family and Sea Mariner to the blue-grey family. They have nearly identical light reflectance values (8 vs 7), so they'll read as similarly Dark in most lighting conditions. Half-Caff 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 20.2, 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.
Half-Caff vs Sea Mariner in Real Spaces
1 real room side by side. Seeing Half-Caff 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.
Mudroom
Mudrooms are seen in passing, often under whatever light comes through the door — a context that favors colors with some depth. Sea Mariner reads more restrained here, while Half-Caff adds a sense of enclosure and warmth.
Color Details
Half-Caff vs Sea Mariner Simulated Comparison
5 simulated room previews — drag the slider on each to see Half-Caff 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 Half-Caff comparisons
See how Half-Caff stacks up against other well-photographed colors across different brands and tones.
At LRV 83 vs 8, White Dove is decisively the brighter choice.
Purbeck Stone reflects far more light (LRV 52 vs 8), opening up a space where Half-Caff encloses it.
Evergreen Fog reflects far more light (LRV 30 vs 8), opening up a space where Half-Caff encloses it.
Agreeable Gray reflects far more light (LRV 60 vs 8), opening up a space where Half-Caff encloses it.
At LRV 58 vs 8, Accessible Beige is decisively the brighter choice.
At LRV 27 vs 8, Denim Drift is decisively the brighter choice.
French Gray reflects far more light (LRV 43 vs 8), opening up a space where Half-Caff encloses it.
At LRV 55 vs 8, Tranquil Dawn is decisively the brighter choice.
At LRV 44 vs 8, Hardwick White is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 8), opening up a space where Half-Caff encloses it.
At LRV 66 vs 8, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 8, Shoji White is decisively the brighter choice.
A 4-point LRV gap (12 vs 8) makes Pewter Green the marginally brighter of the two.
Their light reflectance is nearly identical (LRV 8 vs 8), so neither reads brighter in a room.
At LRV 68 vs 8, Skimming Stone is decisively the brighter choice.
A 4-point LRV gap (12 vs 8) makes Vintage Vogue the marginally brighter of the two.
At LRV 45 vs 8, Saybrook Sage is decisively the brighter choice.
Pale Green reflects far more light (LRV 31 vs 8), opening up a space where Half-Caff encloses it.