Oslo Blue vs Blue Willow
Oslo Blue is a Behr color while Blue Willow comes from PPG. Hue-wise, Oslo Blue belongs to the blue family and Blue Willow to the blue-grey family. With LRVs of 47 and 47, they'll behave almost identically in terms of how much light they reflect back into a room. With a ΔE of 1.8, the difference is subtle — you'd need them side by side to reliably tell them apart. 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 Blue Willow Simulated Comparison
5 simulated room previews — drag the slider on each to see Oslo Blue on one side and Blue Willow 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.
