Periwinkle vs S 3010-R80B
Where Periwinkle belongs to Behr's range, S 3010-R80B is a NCS color. Periwinkle reads as blue, while S 3010-R80B reads as blue-grey — two distinct hue families, not close cousins. They have nearly identical light reflectance values (35 vs 36), so they'll read as similarly Medium in most lighting conditions. Periwinkle runs blue while S 3010-R80B is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 22.8, 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
Periwinkle vs S 3010-R80B Simulated Comparison
5 simulated room previews — drag the slider on each to see Periwinkle on one side and S 3010-R80B 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 Periwinkle comparisons
See how Periwinkle stacks up against other well-photographed colors across different brands and tones.








































