Mountain Peak White vs Just Walnut
Where Mountain Peak White belongs to Benjamin Moore's range, Just Walnut is a Dulux color. Mountain Peak White reads as beige-white, while Just Walnut reads as beige-greige — two distinct hue families, not close cousins. Mountain Peak White (LRV 89) reflects noticeably more light than Just Walnut (LRV 72), a difference of 17 points that becomes especially apparent in rooms with limited natural light. Mountain Peak White runs yellow while Just Walnut is decidedly warm, which means they'll respond very differently to warm vs cool light sources. The ΔE 9.5 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Mountain Peak White vs Just Walnut in Real Spaces
2 real rooms side by side. Mountain Peak White and Just Walnut are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Living Room
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The LRV gap is large enough that Mountain Peak White will make the room feel meaningfully brighter than Just Walnut would.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Mountain Peak White reflects noticeably more light off the walls, making the space read more open than Just Walnut.
Color Details
Mountain Peak White vs Just Walnut Simulated Comparison
5 simulated room previews — drag the slider on each to see Mountain Peak White 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 Mountain Peak White comparisons
See how Mountain Peak White stacks up against other well-photographed colors across different brands and tones.
A 5-point LRV gap (89 vs 83) makes Mountain Peak White the marginally brighter of the two.
Mountain Peak White reflects far more light (LRV 89 vs 69), opening up a space where Ammonite encloses it.
At LRV 89 vs 6, Mountain Peak White is decisively the brighter choice.
Mountain Peak White reflects far more light (LRV 89 vs 52), opening up a space where Purbeck Stone encloses it.
Mountain Peak White reflects far more light (LRV 89 vs 30), opening up a space where Evergreen Fog encloses it.
At LRV 89 vs 52, Mountain Peak White is decisively the brighter choice.
Mountain Peak White reflects far more light (LRV 89 vs 60), opening up a space where Agreeable Gray encloses it.
At LRV 89 vs 58, Mountain Peak White is decisively the brighter choice.
At LRV 89 vs 27, Mountain Peak White is decisively the brighter choice.
Mountain Peak White reflects far more light (LRV 89 vs 43), opening up a space where French Gray encloses it.
Mountain Peak White reflects far more light (LRV 89 vs 4), opening up a space where Naval encloses it.
At LRV 89 vs 55, Mountain Peak White is decisively the brighter choice.
At LRV 89 vs 13, Mountain Peak White is decisively the brighter choice.
At LRV 89 vs 44, Mountain Peak White is decisively the brighter choice.
Mountain Peak White reads slightly lighter (LRV 89 vs 84), a gap that shows most in low-lit rooms.
Mountain Peak White reflects far more light (LRV 89 vs 21), opening up a space where Artichoke encloses it.
At LRV 89 vs 66, Mountain Peak White is decisively the brighter choice.
At LRV 89 vs 74, Mountain Peak White is decisively the brighter choice.
A 6-point LRV gap (89 vs 83) makes Mountain Peak White the marginally brighter of the two.
At LRV 89 vs 12, Mountain Peak White is decisively the brighter choice.
At LRV 89 vs 68, Mountain Peak White is decisively the brighter choice.
Mountain Peak White reflects far more light (LRV 89 vs 41), opening up a space where Dix Blue encloses it.
Mountain Peak White reflects far more light (LRV 89 vs 68), opening up a space where Calamine encloses it.
Mountain Peak White reflects far more light (LRV 89 vs 25), opening up a space where Treron encloses it.
At LRV 89 vs 12, Mountain Peak White is decisively the brighter choice.
At LRV 89 vs 45, Mountain Peak White is decisively the brighter choice.
Mountain Peak White reflects far more light (LRV 89 vs 31), opening up a space where Pale Green encloses it.
Mountain Peak White reflects far more light (LRV 89 vs 7), opening up a space where Pine Needle encloses it.
Mountain Peak White reflects far more light (LRV 89 vs 24), opening up a space where Cement grey encloses it.
Mountain Peak White reflects far more light (LRV 89 vs 57), opening up a space where Guilford Green encloses it.