Lamp Black vs RAL 540-2
Where Lamp Black belongs to Little Greene's range, RAL 540-2 is a RAL Effect color. Hue-wise, Lamp Black belongs to the grey family and RAL 540-2 to the pink-purple family. RAL 540-2 (LRV 42) reflects noticeably more light than Lamp Black (LRV 3), a difference of 39 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 54.7, 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 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Lamp Black vs RAL 540-2 in Real Spaces
3 real rooms side by side. Seeing Lamp Black and RAL 540-2 in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. RAL 540-2 reflects noticeably more light off the walls, making the space read more open than Lamp Black.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. RAL 540-2 reflects noticeably more light off the walls, making the space read more open than Lamp Black.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. RAL 540-2 reflects noticeably more light off the walls, making the space read more open than Lamp Black.
Color Details
Lamp Black vs RAL 540-2 Simulated Comparison
5 simulated room previews — drag the slider on each to see Lamp Black on one side and RAL 540-2 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.
