Night blue vs Umbra grey
Night blue and Umbra grey come from the same RAL Classic collection. Hue-wise, Night blue belongs to the blue family and Umbra grey to the grey family. The 4-point LRV gap — 10 for Umbra grey vs 6 for Night blue — means Umbra grey will open up a space more effectively. A ΔE of 36.3 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Night blue vs Umbra grey in Real Spaces
1 real room side by side. Seeing Night blue and Umbra grey in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Kitchen
Kitchens often have the harshest, most revealing light in the house — under-cabinet LEDs and overhead fixtures that strip away subtlety. Umbra grey has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
Night blue vs Umbra grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Night blue on one side and Umbra grey 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 Night blue comparisons
See how Night blue stacks up against other well-photographed colors across different brands and tones.









































