Santorini Blue vs Passageway
Santorini Blue is a Sherwin-Williams color while Passageway comes from Valspar. Hue-wise, Santorini Blue belongs to the blue family and Passageway to the blue-grey family. With LRVs of 14 and 14, they'll behave almost identically in terms of how much light they reflect back into a room. At ΔE 9.5, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Santorini Blue vs Passageway in Real Spaces
1 real room side by side. Santorini Blue and Passageway are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. Side by side like this, the difference is easy to read — which is exactly why seeing them in a real space is more useful than comparing chips.
Color Details
Santorini Blue vs Passageway Simulated Comparison
5 simulated room previews — drag the slider on each to see Santorini Blue on one side and Passageway 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 Santorini Blue comparisons
See how Santorini Blue stacks up against other well-photographed colors across different brands and tones.










































