S 5010-R90B vs Black grey
S 5010-R90B is a NCS color while Black grey comes from RAL Classic. These are both blue-greys, so the question isn't which hue to choose — it's where within blue-grey to land. At LRV 19 vs 6, S 5010-R90B will read as the brighter of the two — a 13-point gap that matters most in north-facing or low-light rooms. At ΔE 31.0, 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
S 5010-R90B vs Black grey Simulated Comparison
5 simulated room previews — drag the slider on each to see S 5010-R90B on one side and Black grey 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.
