S 4010-B70G vs Mountain Stream
S 4010-B70G is a NCS color while Mountain Stream comes from Sherwin-Williams. Hue-wise, S 4010-B70G belongs to the blue-grey family and Mountain Stream to the blue family. At LRV 28 vs 25, S 4010-B70G will read as the brighter of the two — a 3-point gap that matters most in north-facing or low-light rooms. They share a cool quality — useful to know if you're layering them in the same space. At ΔE 9.2, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. 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 Mountain Stream Simulated Comparison
5 simulated room previews — drag the slider on each to see S 4010-B70G on one side and Mountain Stream 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
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