S 0515-R80B vs Quench Blue
Where S 0515-R80B belongs to NCS's range, Quench Blue is a Sherwin-Williams color. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. They have nearly identical light reflectance values (71 vs 69), so they'll read as similarly Light in most lighting conditions. Both lean cool, so they'll behave similarly in mixed or changing light conditions. With a ΔE of 11.5, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
S 0515-R80B vs Quench Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see S 0515-R80B on one side and Quench 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 S 0515-R80B comparisons
See how S 0515-R80B stacks up against other well-photographed colors across different brands and tones.








































