Stunning Sapphire vs Signal blue
Stunning Sapphire is a PPG color while Signal blue comes from RAL Classic. These are both blues, so the question isn't which hue to choose — it's where within blue to land. With LRVs of 9 and 10, they'll behave almost identically in terms of how much light they reflect back into a room. At ΔE 4.0, 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
Stunning Sapphire vs Signal blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Stunning Sapphire on one side and Signal blue 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 Stunning Sapphire comparisons
See how Stunning Sapphire stacks up against other well-photographed colors across different brands and tones.
