Stone Blue vs Cathedral Glass
Stone Blue is a Farrow & Ball color while Cathedral Glass comes from PPG. Hue-wise, Stone Blue belongs to the blue family and Cathedral Glass to the blue-grey family. With LRVs of 28 and 29, they'll behave almost identically in terms of how much light they reflect back into a room. At ΔE 4.1, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Stone Blue vs Cathedral Glass Simulated Comparison
5 simulated room previews — drag the slider on each to see Stone Blue on one side and Cathedral Glass 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 Stone Blue comparisons
See how Stone Blue stacks up against other well-photographed colors across different brands and tones.
