River Gorge Gray vs S 4010-G50Y
River Gorge Gray is a Benjamin Moore color while S 4010-G50Y comes from NCS. River Gorge Gray reads as greige-grey, while S 4010-G50Y reads as grey — two distinct hue families, not close cousins. At LRV 33 vs 29, River Gorge Gray will read as the brighter of the two — a 4-point gap that matters most in north-facing or low-light rooms. The tonal difference — River Gorge Gray's yellow and red character against S 4010-G50Y's warm — becomes most visible against white trim or in morning light. At ΔE 4.6, 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
River Gorge Gray vs S 4010-G50Y Simulated Comparison
5 simulated room previews — drag the slider on each to see River Gorge Gray on one side and S 4010-G50Y 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 River Gorge Gray comparisons
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