Cos Cob Stonewall vs Obsidian Green
Cos Cob Stonewall is a Benjamin Moore color while Obsidian Green comes from Little Greene. Cos Cob Stonewall reads as grey, while Obsidian Green reads as green — two distinct hue families, not close cousins. At LRV 26 vs 1, Cos Cob Stonewall will read as the brighter of the two — a 25-point gap that matters most in north-facing or low-light rooms. They share a green quality — useful to know if you're layering them in the same space. At ΔE 47.2, 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 Obsidian Green in Real Spaces
3 real rooms side by side. Seeing Cos Cob Stonewall and Obsidian Green 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. Cos Cob Stonewall 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 Cos Cob Stonewall will make the room feel meaningfully brighter than Obsidian Green 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 Cos Cob Stonewall will make the room feel meaningfully brighter than Obsidian Green would.
Color Details
Cos Cob Stonewall vs Obsidian Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Cos Cob Stonewall on one side and Obsidian Green 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.
