Cos Cob Stonewall vs Just Walnut
Cos Cob Stonewall is a Benjamin Moore color while Just Walnut comes from Dulux. Cos Cob Stonewall reads as grey, while Just Walnut reads as beige-greige — two distinct hue families, not close cousins. At LRV 72 vs 26, Just Walnut will read as the brighter of the two — a 46-point gap that matters most in north-facing or low-light rooms. The tonal difference — Cos Cob Stonewall's green character against Just Walnut's warm — becomes most visible against white trim or in morning light. At ΔE 29.9, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Cos Cob Stonewall vs Just Walnut in Real Spaces
3 real rooms side by side. Seeing Cos Cob Stonewall 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 Cos Cob Stonewall would.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The LRV gap is large enough that Just Walnut will make the room feel meaningfully brighter than Cos Cob Stonewall would.
Color Details
Cos Cob Stonewall vs Just Walnut Simulated Comparison
5 simulated room previews — drag the slider on each to see Cos Cob Stonewall 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 Cos Cob Stonewall comparisons
See how Cos Cob Stonewall stacks up against other well-photographed colors across different brands and tones.














































