S 5040-R60B vs Grey Blue
S 5040-R60B (NCS) and Grey Blue (RAL Classic) come from different manufacturers. Hue-wise, S 5040-R60B belongs to the purple family and Grey Blue to the blue-grey family. The 3-point LRV gap — 7 for Grey Blue vs 4 for S 5040-R60B — means Grey Blue will open up a space more effectively. A ΔE of 34.9 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
S 5040-R60B vs Grey Blue in Real Spaces
1 real room side by side. Seeing S 5040-R60B and Grey Blue in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Front Door
On a front door, the color is both the first and last thing you see — a context where even a modest tonal difference reads clearly. Grey Blue reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
S 5040-R60B vs Grey Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see S 5040-R60B 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 5040-R60B comparisons
See how S 5040-R60B stacks up against other well-photographed colors across different brands and tones.
