Night Jewels 4 vs Window grey
Night Jewels 4 is a Dulux color while Window grey comes from RAL Classic. Night Jewels 4 reads as grey, while Window grey reads as blue-grey — two distinct hue families, not close cousins. With LRVs of 37 and 36, they'll behave almost identically in terms of how much light they reflect back into a room. With a ΔE of 2.9, the difference is subtle — you'd need them side by side to reliably tell them apart. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Night Jewels 4 vs Window grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Night Jewels 4 on one side and Window 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 Jewels 4 comparisons
See how Night Jewels 4 stacks up against other well-photographed colors across different brands and tones.
