Warm Onyx vs Lamp Black
Warm Onyx is a Behr color while Lamp Black comes from Little Greene. These are both greys, so the question isn't which hue to choose — it's where within grey to land. At LRV 7 vs 3, Warm Onyx will read as the brighter of the two — a 4-point gap that matters most in north-facing or low-light rooms. The tonal difference — Warm Onyx's red character against Lamp Black's purple — becomes most visible against white trim or in morning light. At ΔE 12.6, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Warm Onyx vs Lamp Black in Real Spaces
1 real room side by side. Seeing Warm Onyx 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
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. Warm Onyx has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
Warm Onyx vs Lamp Black Simulated Comparison
5 simulated room previews — drag the slider on each to see Warm Onyx 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 Warm Onyx comparisons
See how Warm Onyx stacks up against other well-photographed colors across different brands and tones.
