Neptune Seas vs Lamp Black
Where Neptune Seas belongs to Dulux's range, Lamp Black is a Little Greene color. Neptune Seas reads as blue-grey, while Lamp Black reads as grey — two distinct hue families, not close cousins. Neptune Seas (LRV 19) reflects noticeably more light than Lamp Black (LRV 3), a difference of 16 points that becomes especially apparent in rooms with limited natural light. Neptune Seas 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 31.0, 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.
Neptune Seas vs Lamp Black in Real Spaces
2 real rooms side by side. Seeing Neptune Seas 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 Neptune Seas will make the room feel meaningfully brighter than Lamp Black would.
Dining Room
A dining room lit by a dimmed pendant or candles is one of the most forgiving environments for paint — warm light softens almost everything. Neptune Seas returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Neptune Seas vs Lamp Black Simulated Comparison
5 simulated room previews — drag the slider on each to see Neptune Seas 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 Neptune Seas comparisons
See how Neptune Seas stacks up against other well-photographed colors across different brands and tones.
