Castle Peak Gray vs Just Walnut
Where Castle Peak Gray belongs to Benjamin Moore's range, Just Walnut is a Dulux color. Castle Peak Gray reads as greige-grey, while Just Walnut reads as beige-greige — two distinct hue families, not close cousins. Just Walnut (LRV 72) reflects noticeably more light than Castle Peak Gray (LRV 15), a difference of 57 points that becomes especially apparent in rooms with limited natural light. Castle Peak Gray runs yellow while Just Walnut is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 44.6, 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.
Castle Peak Gray vs Just Walnut in Real Spaces
1 real room side by side. Seeing Castle Peak 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.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Just Walnut reflects noticeably more light off the walls, making the space read more open than Castle Peak Gray.
Color Details
Castle Peak Gray vs Just Walnut Simulated Comparison
5 simulated room previews — drag the slider on each to see Castle Peak 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 Castle Peak Gray comparisons
See how Castle Peak Gray stacks up against other well-photographed colors across different brands and tones.
