Lamp Black vs RAL 620-5
Lamp Black is a Little Greene color while RAL 620-5 comes from RAL Effect. Lamp Black reads as grey, while RAL 620-5 reads as blue — two distinct hue families, not close cousins. With LRVs of 3 and 4, they'll behave almost identically in terms of how much light they reflect back into a room. At ΔE 17.3, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Lamp Black vs RAL 620-5 in Real Spaces
2 real rooms side by side. Seeing Lamp Black and RAL 620-5 in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Kitchen
Kitchen lighting tends to be bright and directional, which sharpens contrast and makes undertone differences more apparent. Side by side like this, the difference is easy to read — which is exactly why seeing them in a real space is more useful than comparing chips.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. Side by side like this, the difference is easy to read — which is exactly why seeing them in a real space is more useful than comparing chips.
Color Details
Lamp Black vs RAL 620-5 Simulated Comparison
5 simulated room previews — drag the slider on each to see Lamp Black on one side and RAL 620-5 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.












































