Blue Harmony vs S 5010-R90B
Blue Harmony is a Jotun color while S 5010-R90B comes from NCS. Both sit in the blue-grey family, which is useful context if you're narrowing within a single hue direction. At LRV 19 vs 17, S 5010-R90B will read as the brighter of the two — a 3-point gap that matters most in north-facing or low-light rooms. The tonal difference — Blue Harmony's neutral character against S 5010-R90B's cool — becomes most visible against white trim or in morning light. 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
Blue Harmony vs S 5010-R90B Simulated Comparison
5 simulated room previews — drag the slider on each to see Blue Harmony 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 Blue Harmony comparisons
See how Blue Harmony stacks up against other well-photographed colors across different brands and tones.







































