Portland Stone - Dark vs S 4010-G50Y
Portland Stone - Dark is a Little Greene color while S 4010-G50Y comes from NCS. Hue-wise, Portland Stone - Dark belongs to the beige-greige family and S 4010-G50Y to the grey family. At LRV 33 vs 29, Portland Stone - Dark 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 — Portland Stone - Dark's yellow character against S 4010-G50Y's warm — becomes most visible against white trim or in morning light. At ΔE 8.6, 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
Portland Stone - Dark vs S 4010-G50Y Simulated Comparison
5 simulated room previews — drag the slider on each to see Portland Stone - Dark 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 Portland Stone - Dark comparisons
See how Portland Stone - Dark stacks up against other well-photographed colors across different brands and tones.
