Lamp Black vs Rookwood Sash Green
Lamp Black (Little Greene) and Rookwood Sash Green (Sherwin-Williams) come from different manufacturers. Lamp Black reads as grey, while Rookwood Sash Green reads as blue-green — two distinct hue families, not close cousins. The 10-point LRV gap — 13 for Rookwood Sash Green vs 3 for Lamp Black — means Rookwood Sash Green will open up a space more effectively. Where Lamp Black leans purple, Rookwood Sash Green reads cool — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 26.5 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 4 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Lamp Black vs Rookwood Sash Green in Real Spaces
4 real rooms side by side. Seeing Lamp Black and Rookwood Sash Green in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bedroom
Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. Rookwood Sash Green returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Bathroom
Small bathrooms intensify color. A shade that seems quiet in a larger room can feel immersive when you're surrounded by it on four walls. Rookwood Sash Green returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Front Door
On a front door, the color is both the first and last thing you see — a context where even a modest tonal difference reads clearly. Rookwood Sash Green reflects noticeably more light off the walls, making the space read more open than Lamp Black.
Kitchen Cabinets
Cabinet color is always seen in context — against countertops, backsplash, and hardware — which amplifies undertone differences that might disappear on a plain wall. Rookwood Sash Green returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Lamp Black vs Rookwood Sash Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Lamp Black on one side and Rookwood Sash Green 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.
