Oslo vs Basalt grey
Oslo is a Jotun color while Basalt grey comes from RAL Classic. Hue-wise, Oslo belongs to the blue-grey family and Basalt grey to the grey family. At LRV 14 vs 11, Basalt grey will read as the brighter of the two — a 3-point gap that matters most in north-facing or low-light rooms. At ΔE 3.6, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Oslo vs Basalt grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Oslo on one side and Basalt 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 Oslo comparisons
See how Oslo stacks up against other well-photographed colors across different brands and tones.







































