Traditional Blue vs S 5010-R90B
Where Traditional Blue belongs to Behr's range, S 5010-R90B is a NCS color. Hue-wise, Traditional Blue belongs to the blue family and S 5010-R90B to the blue-grey family. S 5010-R90B (LRV 19) reflects noticeably more light than Traditional Blue (LRV 9), a difference of 10 points that becomes especially apparent in rooms with limited natural light. Traditional Blue runs blue while S 5010-R90B is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 25.0, 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
Traditional Blue vs S 5010-R90B Simulated Comparison
5 simulated room previews — drag the slider on each to see Traditional Blue on one side and S 5010-R90B 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 Traditional Blue comparisons
See how Traditional Blue stacks up against other well-photographed colors across different brands and tones.
