Brush Blue vs Just Walnut
Brush Blue is a Benjamin Moore color while Just Walnut comes from Dulux. Brush Blue reads as blue-grey, while Just Walnut reads as beige-greige — two distinct hue families, not close cousins. At LRV 72 vs 10, Just Walnut will read as the brighter of the two — a 62-point gap that matters most in north-facing or low-light rooms. The tonal difference — Brush Blue's blue character against Just Walnut's warm — becomes most visible against white trim or in morning light. At ΔE 55.7, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Brush Blue vs Just Walnut in Real Spaces
2 real rooms side by side. Seeing Brush Blue 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
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. Just Walnut returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The LRV gap is large enough that Just Walnut will make the room feel meaningfully brighter than Brush Blue would.
Color Details
Brush Blue vs Just Walnut Simulated Comparison
5 simulated room previews — drag the slider on each to see Brush Blue 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 Brush Blue comparisons
See how Brush Blue stacks up against other well-photographed colors across different brands and tones.
At LRV 83 vs 10, White Dove is decisively the brighter choice.
Ammonite reflects far more light (LRV 69 vs 10), opening up a space where Brush Blue encloses it.
A 4-point LRV gap (10 vs 6) makes Brush Blue the marginally brighter of the two.
Purbeck Stone reflects far more light (LRV 52 vs 10), opening up a space where Brush Blue encloses it.
Evergreen Fog reflects far more light (LRV 30 vs 10), opening up a space where Brush Blue encloses it.
At LRV 52 vs 10, Mizzle is decisively the brighter choice.
Agreeable Gray reflects far more light (LRV 60 vs 10), opening up a space where Brush Blue encloses it.
At LRV 58 vs 10, Accessible Beige is decisively the brighter choice.
At LRV 27 vs 10, Denim Drift is decisively the brighter choice.
French Gray reflects far more light (LRV 43 vs 10), opening up a space where Brush Blue encloses it.
Brush Blue reads slightly lighter (LRV 10 vs 4), a gap that shows most in low-lit rooms.
At LRV 55 vs 10, Tranquil Dawn is decisively the brighter choice.
A 4-point LRV gap (13 vs 10) makes Bancha the marginally brighter of the two.
At LRV 44 vs 10, Hardwick White is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 10), opening up a space where Brush Blue encloses it.
Artichoke reads slightly lighter (LRV 21 vs 10), a gap that shows most in low-lit rooms.
At LRV 66 vs 10, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 10, Shoji White is decisively the brighter choice.
At LRV 83 vs 10, Snowbound is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 12 vs 10), so neither reads brighter in a room.
At LRV 68 vs 10, Skimming Stone is decisively the brighter choice.
Dix Blue reflects far more light (LRV 41 vs 10), opening up a space where Brush Blue encloses it.
Calamine reflects far more light (LRV 68 vs 10), opening up a space where Brush Blue encloses it.
Treron reflects far more light (LRV 25 vs 10), opening up a space where Brush Blue encloses it.
Their light reflectance is nearly identical (LRV 12 vs 10), so neither reads brighter in a room.
At LRV 45 vs 10, Saybrook Sage is decisively the brighter choice.
Pale Green reflects far more light (LRV 31 vs 10), opening up a space where Brush Blue encloses it.
With LRVs of 10 and 7, the two reflect almost the same amount of light.
Cement grey reflects far more light (LRV 24 vs 10), opening up a space where Brush Blue encloses it.
Guilford Green reflects far more light (LRV 57 vs 10), opening up a space where Brush Blue encloses it.