Cassiopeia vs Blue Sky
Cassiopeia is a PPG color while Blue Sky comes from Sherwin-Williams. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. With LRVs of 58 and 58, they'll behave almost identically in terms of how much light they reflect back into a room. With a ΔE of 1.5, 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
Cassiopeia vs Blue Sky Simulated Comparison
5 simulated room previews — drag the slider on each to see Cassiopeia on one side and Blue Sky 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 Cassiopeia comparisons
See how Cassiopeia stacks up against other well-photographed colors across different brands and tones.
