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.
White Dove reflects far more light (LRV 83 vs 47), opening up a space where Oslo Blue encloses it.
A 5-point LRV gap (52 vs 47) makes Purbeck Stone the marginally brighter of the two.
At LRV 47 vs 30, Oslo Blue is decisively the brighter choice.
At LRV 60 vs 47, Agreeable Gray is decisively the brighter choice.
Accessible Beige reads slightly lighter (LRV 58 vs 47), a gap that shows most in low-lit rooms.
Oslo Blue reflects far more light (LRV 47 vs 27), opening up a space where Denim Drift encloses it.
A 4-point LRV gap (47 vs 43) makes Oslo Blue the marginally brighter of the two.
Oslo Blue reads slightly lighter (LRV 47 vs 44), a gap that shows most in low-lit rooms.
At LRV 84 vs 47, Pure White is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 47), opening up a space where Oslo Blue encloses it.
Shoji White reflects far more light (LRV 74 vs 47), opening up a space where Oslo Blue encloses it.
Oslo Blue reflects far more light (LRV 47 vs 12), opening up a space where Pewter Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 47), opening up a space where Oslo Blue encloses it.
Oslo Blue reflects far more light (LRV 47 vs 12), opening up a space where Vintage Vogue encloses it.
With LRVs of 47 and 45, the two reflect almost the same amount of light.
At LRV 47 vs 31, Oslo Blue is decisively the brighter choice.
At LRV 47 vs 7, Oslo Blue is decisively the brighter choice.
At LRV 47 vs 24, Oslo Blue is decisively the brighter choice.
A 10-point LRV gap (57 vs 47) makes Guilford Green the marginally brighter of the two.
At LRV 72 vs 47, Just Walnut is decisively the brighter choice.