Lamp Black vs Copper Mountain
Where Lamp Black belongs to Little Greene's range, Copper Mountain is a Sherwin-Williams color. Lamp Black reads as grey, while Copper Mountain reads as beige — two distinct hue families, not close cousins. Copper Mountain (LRV 17) reflects noticeably more light than Lamp Black (LRV 3), a difference of 14 points that becomes especially apparent in rooms with limited natural light. Lamp Black runs purple while Copper Mountain is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 50.5, 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.
Lamp Black vs Copper Mountain in Real Spaces
1 real room side by side. Seeing Lamp Black and Copper Mountain in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Copper Mountain reflects noticeably more light off the walls, making the space read more open than Lamp Black.
Color Details
Lamp Black vs Copper Mountain Simulated Comparison
5 simulated room previews — drag the slider on each to see Lamp Black on one side and Copper Mountain 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 Lamp Black comparisons
See how Lamp Black stacks up against other well-photographed colors across different brands and tones.










































