Stonewashed Blue vs S 4010-B70G
Stonewashed Blue (Dulux) and S 4010-B70G (NCS) come from different manufacturers. Stonewashed Blue reads as blue, while S 4010-B70G reads as blue-grey — two distinct hue families, not close cousins. Their light reflectance values are nearly the same — 28 vs 28 — so neither will read significantly brighter or darker than the other. Both share a cool character, which means they'll respond to light and surrounding materials in similar ways. A ΔE of 12.9 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.
Stonewashed Blue vs S 4010-B70G in Real Spaces
1 real room side by side. Seeing Stonewashed Blue and S 4010-B70G in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. The distinction reads clearly at room scale, making the choice between them concrete.
Color Details
Stonewashed Blue vs S 4010-B70G Simulated Comparison
5 simulated room previews — drag the slider on each to see Stonewashed 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 Stonewashed Blue comparisons
See how Stonewashed Blue stacks up against other well-photographed colors across different brands and tones.
