Flannel Gray vs Just Walnut
Flannel Gray (Behr) and Just Walnut (Dulux) come from different manufacturers. Hue-wise, Flannel Gray belongs to the grey family and Just Walnut to the beige-greige family. The 30-point LRV gap — 72 for Just Walnut vs 42 for Flannel Gray — means Just Walnut will open up a space more effectively. Where Flannel Gray leans red, Just Walnut reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of NaN puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 5 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Flannel Gray vs Just Walnut in Real Spaces
5 real rooms side by side. Seeing Flannel Gray and Just Walnut in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. Just Walnut reflects noticeably more light off the walls, making the space read more open than Flannel Gray.
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. Just Walnut returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Kitchen
Kitchens often have the harshest, most revealing light in the house — under-cabinet LEDs and overhead fixtures that strip away subtlety. Just Walnut returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
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. Just Walnut returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Kitchen Cabinets
Cabinet color is always seen in context — against countertops, backsplash, and hardware — which amplifies undertone differences that might disappear on a plain wall. Just Walnut returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Flannel Gray vs Just Walnut Simulated Comparison
5 simulated room previews — drag the slider on each to see Flannel Gray on one side and Just Walnut 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 Flannel Gray comparisons
See how Flannel Gray stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 42), opening up a space where Flannel Gray encloses it.
At LRV 69 vs 42, Ammonite is decisively the brighter choice.
Flannel Gray reflects far more light (LRV 42 vs 6), opening up a space where Iron Ore encloses it.
A 10-point LRV gap (52 vs 42) makes Purbeck Stone the marginally brighter of the two.
A 12-point LRV gap (42 vs 30) makes Flannel Gray the marginally brighter of the two.
Mizzle reads slightly lighter (LRV 52 vs 42), a gap that shows most in low-lit rooms.
At LRV 60 vs 42, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 42), opening up a space where Flannel Gray encloses it.
Flannel Gray reflects far more light (LRV 42 vs 27), opening up a space where Denim Drift encloses it.
Their light reflectance is nearly identical (LRV 43 vs 42), so neither reads brighter in a room.
At LRV 42 vs 4, Flannel Gray is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 42), opening up a space where Flannel Gray encloses it.
Flannel Gray reflects far more light (LRV 42 vs 13), opening up a space where Bancha encloses it.
With LRVs of 44 and 42, the two reflect almost the same amount of light.
At LRV 84 vs 42, Pure White is decisively the brighter choice.
At LRV 42 vs 21, Flannel Gray is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 42), opening up a space where Flannel Gray encloses it.
Shoji White reflects far more light (LRV 74 vs 42), opening up a space where Flannel Gray encloses it.
Snowbound reflects far more light (LRV 83 vs 42), opening up a space where Flannel Gray encloses it.
Flannel Gray reflects far more light (LRV 42 vs 12), opening up a space where Pewter Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 42), opening up a space where Flannel Gray encloses it.
Their light reflectance is nearly identical (LRV 42 vs 41), so neither reads brighter in a room.
At LRV 68 vs 42, Calamine is decisively the brighter choice.
At LRV 42 vs 25, Flannel Gray is decisively the brighter choice.
Flannel Gray reflects far more light (LRV 42 vs 12), opening up a space where Vintage Vogue encloses it.
Saybrook Sage reads slightly lighter (LRV 45 vs 42), a gap that shows most in low-lit rooms.
A 11-point LRV gap (42 vs 31) makes Flannel Gray the marginally brighter of the two.
At LRV 42 vs 7, Flannel Gray is decisively the brighter choice.
At LRV 42 vs 24, Flannel Gray is decisively the brighter choice.
At LRV 57 vs 42, Guilford Green is decisively the brighter choice.