Night Jewels 4 vs Grey Blue
Where Night Jewels 4 belongs to Dulux's range, Grey Blue is a RAL Classic color. Hue-wise, Night Jewels 4 belongs to the grey family and Grey Blue to the blue-grey family. Night Jewels 4 (LRV 37) reflects noticeably more light than Grey Blue (LRV 7), a difference of 30 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 33.6, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. 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 Grey Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Night Jewels 4 on one side and Grey Blue 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.
