Stone Blue vs S 4010-B70G
Stone Blue is a Farrow & Ball color while S 4010-B70G comes from NCS. Stone Blue reads as blue, while S 4010-B70G reads as blue-grey — two distinct hue families, not close cousins. With LRVs of 28 and 28, they'll behave almost identically in terms of how much light they reflect back into a room. They share a cool quality — useful to know if you're layering them in the same space. At ΔE 7.4, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Stone Blue vs S 4010-B70G in Real Spaces
1 real room side by side. Stone Blue and S 4010-B70G are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Living Room
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. At this scale, the choice between them becomes clear in a way that a swatch alone can't communicate.
Color Details
Stone Blue vs S 4010-B70G Simulated Comparison
5 simulated room previews — drag the slider on each to see Stone Blue on one side and S 4010-B70G 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 Stone Blue comparisons
See how Stone Blue stacks up against other well-photographed colors across different brands and tones.
