Gustavian Blue vs Lamp Black
Gustavian Blue is a Jotun color while Lamp Black comes from Little Greene. Hue-wise, Gustavian Blue belongs to the blue-grey family and Lamp Black to the grey family. At LRV 38 vs 3, Gustavian Blue will read as the brighter of the two — a 36-point gap that matters most in north-facing or low-light rooms. The tonal difference — Gustavian Blue's cool character against Lamp Black's purple — becomes most visible against white trim or in morning light. At ΔE 50.4, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 6 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Gustavian Blue vs Lamp Black in Real Spaces
6 real rooms side by side. Seeing Gustavian Blue 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. Gustavian Blue returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The LRV gap is large enough that Gustavian Blue will make the room feel meaningfully brighter than Lamp Black would.
Kitchen
Kitchen lighting tends to be bright and directional, which sharpens contrast and makes undertone differences more apparent. The LRV gap is large enough that Gustavian Blue will make the room feel meaningfully brighter than Lamp Black would.
Dining Room
Dining room light is typically the warmest in the house, which shifts both colors toward the red end of the spectrum compared to daylight. Gustavian Blue reflects noticeably more light off the walls, making the space read more open than Lamp Black.
Front Door
Front doors are seen in isolation against the rest of the facade, which makes them a high-stakes surface where even subtle differences matter. Gustavian Blue returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The LRV gap is large enough that Gustavian Blue will make the room feel meaningfully brighter than Lamp Black would.
Color Details
Gustavian Blue vs Lamp Black Simulated Comparison
5 simulated room previews — drag the slider on each to see Gustavian Blue 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 Gustavian Blue comparisons
See how Gustavian Blue stacks up against other well-photographed colors across different brands and tones.
