Niagara Blues 1 vs S 5010-R90B
Niagara Blues 1 (Dulux) and S 5010-R90B (NCS) come from different manufacturers. Hue-wise, Niagara Blues 1 belongs to the blue family and S 5010-R90B to the blue-grey family. The 4-point LRV gap — 19 for S 5010-R90B vs 15 for Niagara Blues 1 — means S 5010-R90B will open up a space more effectively. Both share a cool character, which means they'll respond to light and surrounding materials in similar ways. A ΔE of 12.0 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Niagara Blues 1 vs S 5010-R90B Simulated Comparison
5 simulated room previews — drag the slider on each to see Niagara Blues 1 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 Niagara Blues 1 comparisons
See how Niagara Blues 1 stacks up against other well-photographed colors across different brands and tones.
