S 4010-G10Y vs Passageway
S 4010-G10Y (NCS) and Passageway (Valspar) come from different manufacturers. S 4010-G10Y reads as green-grey, while Passageway reads as blue-grey — two distinct hue families, not close cousins. The 14-point LRV gap — 28 for S 4010-G10Y vs 14 for Passageway — means S 4010-G10Y will open up a space more effectively. A ΔE of 20.7 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
S 4010-G10Y vs Passageway in Real Spaces
2 real rooms side by side. Seeing S 4010-G10Y and Passageway in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. S 4010-G10Y reflects noticeably more light off the walls, making the space read more open than Passageway.
Bathroom
Small bathrooms intensify color. A shade that seems quiet in a larger room can feel immersive when you're surrounded by it on four walls. S 4010-G10Y returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
S 4010-G10Y vs Passageway Simulated Comparison
5 simulated room previews — drag the slider on each to see S 4010-G10Y on one side and Passageway 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.












































