Stiffkey Blue vs Bosporus
Where Stiffkey Blue belongs to Farrow & Ball's range, Bosporus is a Sherwin-Williams color. These are both blues, so the question isn't which hue to choose — it's where within blue to land. They have nearly identical light reflectance values (10 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 16.0, 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
Stiffkey Blue vs Bosporus Simulated Comparison
5 simulated room previews — drag the slider on each to see Stiffkey Blue 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 Stiffkey Blue comparisons
See how Stiffkey Blue stacks up against other well-photographed colors across different brands and tones.
