Half Sea Fog vs French Gray
Half Sea Fog (Behr) and French Gray (Farrow & Ball) come from different manufacturers. Hue-wise, Half Sea Fog belongs to the blue-grey family and French Gray to the beige-greige family. Their light reflectance values are nearly the same — 46 vs 43 — so neither will read significantly brighter or darker than the other. Where Half Sea Fog leans blue, French Gray reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 15.8 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Half Sea Fog vs French Gray in Real Spaces
2 real rooms side by side. Seeing Half Sea Fog and French Gray in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bedroom
Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. Half Sea Fog reads more restrained here, while French Gray adds a sense of enclosure and warmth.
Bathroom
Small bathrooms intensify color. A shade that seems quiet in a larger room can feel immersive when you're surrounded by it on four walls. Half Sea Fog reads more restrained here, while French Gray adds a sense of enclosure and warmth.
Color Details
Half Sea Fog vs French Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Half Sea Fog on one side and French Gray 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 Sea Fog comparisons
See how Half Sea Fog stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 46), opening up a space where Half Sea Fog encloses it.
At LRV 69 vs 46, Ammonite is decisively the brighter choice.
Half Sea Fog reflects far more light (LRV 46 vs 6), opening up a space where Iron Ore encloses it.
A 6-point LRV gap (52 vs 46) makes Purbeck Stone the marginally brighter of the two.
At LRV 46 vs 30, Half Sea Fog is decisively the brighter choice.
Mizzle reads slightly lighter (LRV 52 vs 46), a gap that shows most in low-lit rooms.
At LRV 60 vs 46, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 46), opening up a space where Half Sea Fog encloses it.
Half Sea Fog reflects far more light (LRV 46 vs 27), opening up a space where Denim Drift encloses it.
At LRV 46 vs 4, Half Sea Fog is decisively the brighter choice.
Tranquil Dawn reads slightly lighter (LRV 55 vs 46), a gap that shows most in low-lit rooms.
Half Sea Fog reflects far more light (LRV 46 vs 13), opening up a space where Bancha encloses it.
With LRVs of 46 and 44, the two reflect almost the same amount of light.
At LRV 84 vs 46, Pure White is decisively the brighter choice.
At LRV 46 vs 21, Half Sea Fog is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 46), opening up a space where Half Sea Fog encloses it.
Shoji White reflects far more light (LRV 74 vs 46), opening up a space where Half Sea Fog encloses it.
Snowbound reflects far more light (LRV 83 vs 46), opening up a space where Half Sea Fog encloses it.
Half Sea Fog reflects far more light (LRV 46 vs 12), opening up a space where Pewter Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 46), opening up a space where Half Sea Fog encloses it.
A 5-point LRV gap (46 vs 41) makes Half Sea Fog the marginally brighter of the two.
At LRV 68 vs 46, Calamine is decisively the brighter choice.
At LRV 46 vs 25, Half Sea Fog is decisively the brighter choice.
Half Sea Fog reflects far more light (LRV 46 vs 12), opening up a space where Vintage Vogue encloses it.
With LRVs of 46 and 45, the two reflect almost the same amount of light.
At LRV 46 vs 31, Half Sea Fog is decisively the brighter choice.
At LRV 46 vs 7, Half Sea Fog is decisively the brighter choice.
At LRV 46 vs 24, Half Sea Fog is decisively the brighter choice.
A 12-point LRV gap (57 vs 46) makes Guilford Green the marginally brighter of the two.
At LRV 72 vs 46, Just Walnut is decisively the brighter choice.