S 5010-R90B vs Grey Blue
S 5010-R90B (NCS) and Grey Blue (RAL Classic) come from different manufacturers. These are both blue-greys, so the question isn't which hue to choose — it's where within blue-grey to land. The 12-point LRV gap — 19 for S 5010-R90B vs 7 for Grey Blue — means S 5010-R90B will open up a space more effectively. A ΔE of 19.0 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
S 5010-R90B vs Grey Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see S 5010-R90B on one side and Grey Blue 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 S 5010-R90B comparisons
See how S 5010-R90B stacks up against other well-photographed colors across different brands and tones.
