Blue Grotto vs Lamp Black
Where Blue Grotto belongs to Benjamin Moore's range, Lamp Black is a Little Greene color. Hue-wise, Blue Grotto belongs to the blue family and Lamp Black to the grey family. Blue Grotto (LRV 6) reflects noticeably more light than Lamp Black (LRV 3), a difference of 4 points that becomes especially apparent in rooms with limited natural light. Blue Grotto runs blue while Lamp Black is decidedly purple, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 27.7, 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 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Blue Grotto vs Lamp Black in Real Spaces
1 real room side by side. Seeing Blue Grotto 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 brightness difference is modest but present — Blue Grotto gives the walls a little more lift.
Color Details
Blue Grotto vs Lamp Black Simulated Comparison
5 simulated room previews — drag the slider on each to see Blue Grotto 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 Blue Grotto comparisons
See how Blue Grotto stacks up against other well-photographed colors across different brands and tones.










































