Gray Mountain vs Night Jewels 3
Gray Mountain is a Benjamin Moore color while Night Jewels 3 comes from Dulux. Both sit in the grey family, which is useful context if you're narrowing within a single hue direction. With LRVs of 19 and 20, they'll behave almost identically in terms of how much light they reflect back into a room. The tonal difference — Gray Mountain's red character against Night Jewels 3's neutral — becomes most visible against white trim or in morning light. 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
Gray Mountain vs Night Jewels 3 Simulated Comparison
5 simulated room previews — drag the slider on each to see Gray Mountain on one side and Night Jewels 3 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 Gray Mountain comparisons
See how Gray Mountain stacks up against other well-photographed colors across different brands and tones.
