S 5040-B60G vs Grey Blue
Where S 5040-B60G belongs to NCS's range, Grey Blue is a RAL Classic color. Hue-wise, S 5040-B60G belongs to the blue family and Grey Blue to the blue-grey family. They have nearly identical light reflectance values (8 vs 7), so they'll read as similarly Dark in most lighting conditions. With a ΔE of 23.3, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
S 5040-B60G vs Grey Blue in Real Spaces
1 real room side by side. Seeing S 5040-B60G 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.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. The distinction reads clearly at room scale, making the choice between them concrete.
Color Details
S 5040-B60G vs Grey Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see S 5040-B60G 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-B60G comparisons
See how S 5040-B60G stacks up against other well-photographed colors across different brands and tones.
