Oslo Blue vs Tranquil Dawn
Oslo Blue (Behr) and Tranquil Dawn (Dulux) come from different manufacturers. Oslo Blue reads as blue, while Tranquil Dawn reads as green-grey — two distinct hue families, not close cousins. The 8-point LRV gap — 55 for Tranquil Dawn vs 47 for Oslo Blue — means Tranquil Dawn will open up a space more effectively. Where Oslo Blue leans blue, Tranquil Dawn reads neutral — a distinction that shifts noticeably depending on the light source and surrounding finishes. ΔE 8.9 means they're clearly different, but not dramatically so — they'd pair well in the same room. 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 Blue vs Tranquil Dawn Simulated Comparison
5 simulated room previews — drag the slider on each to see Oslo Blue on one side and Tranquil Dawn 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 Blue comparisons
See how Oslo Blue stacks up against other well-photographed colors across different brands and tones.
