Iron Mountain vs Lamp Black
Where Iron Mountain belongs to Behr's range, Lamp Black is a Little Greene color. Both sit in the grey family, which is useful context if you're narrowing within a single hue direction. Iron Mountain (LRV 18) reflects noticeably more light than Lamp Black (LRV 3), a difference of 15 points that becomes especially apparent in rooms with limited natural light. Iron Mountain runs yellow while Lamp Black is decidedly purple, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 30.6, 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 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Iron Mountain vs Lamp Black in Real Spaces
1 real room side by side. Seeing Iron Mountain 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 Iron Mountain will make the room feel meaningfully brighter than Lamp Black would.
Color Details
Iron Mountain vs Lamp Black Simulated Comparison
5 simulated room previews — drag the slider on each to see Iron Mountain 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 Iron Mountain comparisons
See how Iron Mountain stacks up against other well-photographed colors across different brands and tones.
