S 4010-B70G vs Rivulet
S 4010-B70G (NCS) and Rivulet (Sherwin-Williams) come from different manufacturers. S 4010-B70G reads as blue-grey, while Rivulet reads as blue — two distinct hue families, not close cousins. The 5-point LRV gap — 33 for Rivulet vs 28 for S 4010-B70G — means Rivulet will open up a space more effectively. Both share a cool character, which means they'll respond to light and surrounding materials in similar ways. A ΔE of 18.0 puts these firmly in different territory — two distinct design choices rather than close alternatives. 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 4010-B70G vs Rivulet Simulated Comparison
5 simulated room previews — drag the slider on each to see S 4010-B70G on one side and Rivulet 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 4010-B70G comparisons
See how S 4010-B70G stacks up against other well-photographed colors across different brands and tones.
