Lamp Black vs Dress Blues
Where Lamp Black belongs to Little Greene's range, Dress Blues is a Sherwin-Williams color. Lamp Black reads as grey, while Dress Blues reads as blue — two distinct hue families, not close cousins. Dress Blues (LRV 5) reflects noticeably more light than Lamp Black (LRV 3), a difference of 3 points that becomes especially apparent in rooms with limited natural light. Lamp Black runs purple while Dress Blues is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 21.5, 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 4 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Lamp Black vs Dress Blues in Real Spaces
4 real rooms side by side. Seeing Lamp Black and Dress Blues 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 temperature contrast between Dress Blues and Lamp Black is what sets these apart most in this context.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Dress Blues brings more warmth to the space, while Lamp Black keeps things cooler and crisper.
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. Dress Blues brings more warmth to the space, while Lamp Black keeps things cooler and crisper.
Front Door
A front door is a focal point — small color differences read clearly at this concentrated scale. The temperature contrast between Dress Blues and Lamp Black is what sets these apart most in this context.
Color Details
Lamp Black vs Dress Blues Simulated Comparison
5 simulated room previews — drag the slider on each to see Lamp Black on one side and Dress Blues 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.
