S 5040-B60G vs Bosporus
Where S 5040-B60G belongs to NCS's range, Bosporus is a Sherwin-Williams color. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. They have nearly identical light reflectance values (8 vs 9), so they'll read as similarly Dark in most lighting conditions. Both lean cool, so they'll behave similarly in mixed or changing light conditions. With a ΔE of 17.4, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. 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 5040-B60G vs Bosporus Simulated Comparison
5 simulated room previews — drag the slider on each to see S 5040-B60G on one side and Bosporus 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.








































