Vast Lake vs Lamp Black
Where Vast Lake belongs to Dulux's range, Lamp Black is a Little Greene color. Hue-wise, Vast Lake belongs to the blue family and Lamp Black to the grey family. Vast Lake (LRV 31) reflects noticeably more light than Lamp Black (LRV 3), a difference of 28 points that becomes especially apparent in rooms with limited natural light. Vast Lake runs cool while Lamp Black is decidedly purple, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 45.6, 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 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Vast Lake vs Lamp Black in Real Spaces
2 real rooms side by side. Seeing Vast Lake and Lamp Black 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
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 Vast Lake will make the room feel meaningfully brighter than Lamp Black would.
Front Door
A front door is a focal point — small color differences read clearly at this concentrated scale. The LRV gap is large enough that Vast Lake will make the room feel meaningfully brighter than Lamp Black would.
Color Details
Vast Lake vs Lamp Black Simulated Comparison
5 simulated room previews — drag the slider on each to see Vast Lake on one side and Lamp Black 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.
