Oslo vs Grey Blue
Where Oslo belongs to Jotun's range, Grey Blue is a RAL Classic color. Both sit in the blue-grey family, which is useful context if you're narrowing within a single hue direction. Oslo (LRV 11) reflects noticeably more light than Grey Blue (LRV 7), a difference of 3 points that becomes especially apparent in rooms with limited natural light. The ΔE 9.2 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Oslo vs Grey Blue in Real Spaces
1 real room side by side. Oslo and Grey Blue 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.
Color Details
Oslo vs Grey Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Oslo 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 Oslo comparisons
See how Oslo stacks up against other well-photographed colors across different brands and tones.
