Chicago Blues vs S 5010-R90B
Chicago Blues is a Benjamin Moore color while S 5010-R90B comes from NCS. Chicago Blues reads as blue, while S 5010-R90B reads as blue-grey — two distinct hue families, not close cousins. With LRVs of 18 and 19, they'll behave almost identically in terms of how much light they reflect back into a room. The tonal difference — Chicago Blues's blue character against S 5010-R90B's cool — becomes most visible against white trim or in morning light. At ΔE 21.8, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Chicago Blues vs S 5010-R90B Simulated Comparison
5 simulated room previews — drag the slider on each to see Chicago Blues 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 Chicago Blues comparisons
See how Chicago Blues stacks up against other well-photographed colors across different brands and tones.
