S 4010-G10Y vs Gallery Green
Where S 4010-G10Y belongs to NCS's range, Gallery Green is a Sherwin-Williams color. These are both green-greys, so the question isn't which hue to choose — it's where within green-grey to land. S 4010-G10Y (LRV 28) reflects noticeably more light than Gallery Green (LRV 22), a difference of 6 points that becomes especially apparent in rooms with limited natural light. S 4010-G10Y runs neutral while Gallery Green is decidedly cool, which means they'll respond very differently to warm vs cool light sources. The ΔE 7.8 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. 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 Gallery Green in Real Spaces
1 real room side by side. S 4010-G10Y and Gallery Green are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Living Room
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The brightness difference is modest but present — S 4010-G10Y gives the walls a little more lift.
Color Details
S 4010-G10Y vs Gallery Green Simulated Comparison
5 simulated room previews — drag the slider on each to see S 4010-G10Y on one side and Gallery Green 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.
