S 4010-G10Y vs Alexandrite
Where S 4010-G10Y belongs to NCS's range, Alexandrite is a Sherwin-Williams color. S 4010-G10Y reads as green-grey, while Alexandrite reads as green — two distinct hue families, not close cousins. S 4010-G10Y (LRV 28) reflects noticeably more light than Alexandrite (LRV 22), a difference of 6 points that becomes especially apparent in rooms with limited natural light. S 4010-G10Y runs neutral while Alexandrite is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 15.6, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
S 4010-G10Y vs Alexandrite in Real Spaces
1 real room side by side. Seeing S 4010-G10Y and Alexandrite in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. S 4010-G10Y reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
S 4010-G10Y vs Alexandrite Simulated Comparison
5 simulated room previews — drag the slider on each to see S 4010-G10Y on one side and Alexandrite 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-G10Y comparisons
See how S 4010-G10Y stacks up against other well-photographed colors across different brands and tones.
