Black green vs RAL 750-6
Black green is a RAL Classic color while RAL 750-6 comes from RAL Effect. Hue-wise, Black green belongs to the blue-green family and RAL 750-6 to the blue-grey family. With LRVs of 7 and 5, they'll behave almost identically in terms of how much light they reflect back into a room. With a ΔE of 1.4, the difference is subtle — you'd need them side by side to reliably tell them apart. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Black green vs RAL 750-6 in Real Spaces
2 real rooms side by side. Black green and RAL 750-6 are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
Color Details
Black green vs RAL 750-6 Simulated Comparison
5 simulated room previews — drag the slider on each to see Black green on one side and RAL 750-6 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 Black green comparisons
See how Black green stacks up against other well-photographed colors across different brands and tones.











































