Vast Lake vs Obsidian Green
Vast Lake is a Dulux color while Obsidian Green comes from Little Greene. Hue-wise, Vast Lake belongs to the blue family and Obsidian Green to the green family. At LRV 31 vs 1, Vast Lake will read as the brighter of the two — a 29-point gap that matters most in north-facing or low-light rooms. The tonal difference — Vast Lake's cool character against Obsidian Green's green — becomes most visible against white trim or in morning light. At ΔE 53.6, 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.
Vast Lake vs Obsidian Green in Real Spaces
3 real rooms side by side. Seeing Vast Lake 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. Vast Lake returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The LRV gap is large enough that Vast Lake will make the room feel meaningfully brighter than Obsidian Green would.
Front Door
Front doors are seen in isolation against the rest of the facade, which makes them a high-stakes surface where even subtle differences matter. Vast Lake returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Vast Lake vs Obsidian Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Vast Lake 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 Vast Lake comparisons
See how Vast Lake stacks up against other well-photographed colors across different brands and tones.














































