Nocturnal Gray vs Oslo
Nocturnal Gray is a Benjamin Moore color while Oslo comes from Jotun. Both sit in the blue-grey family, which is useful context if you're narrowing within a single hue direction. At LRV 14 vs 11, Nocturnal Gray will read as the brighter of the two — a 3-point gap that matters most in north-facing or low-light rooms. The tonal difference — Nocturnal Gray's blue character against Oslo's cool — becomes most visible against white trim or in morning light. With a ΔE of 2.4, the difference is subtle — you'd need them side by side to reliably tell them apart. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Nocturnal Gray vs Oslo in Real Spaces
1 real room side by side. Nocturnal Gray and Oslo 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.
Living Room
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. In photos like these you're seeing the difference at its most direct. In a finished room, the distinction is there but not dramatic.
Color Details
Nocturnal Gray vs Oslo Simulated Comparison
5 simulated room previews — drag the slider on each to see Nocturnal Gray on one side and Oslo 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 Nocturnal Gray comparisons
See how Nocturnal Gray stacks up against other well-photographed colors across different brands and tones.










































