Guilford Green vs S 4010-Y50R
Guilford Green (Benjamin Moore) and S 4010-Y50R (NCS) come from different manufacturers. Hue-wise, Guilford Green belongs to the beige-green family and S 4010-Y50R to the beige-greige family. The 27-point LRV gap — 57 for Guilford Green vs 30 for S 4010-Y50R — means Guilford Green will open up a space more effectively. Where Guilford Green leans yellow, S 4010-Y50R reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 23.9 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Guilford Green vs S 4010-Y50R in Real Spaces
1 real room side by side. Seeing Guilford Green and S 4010-Y50R 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. Guilford Green reflects noticeably more light off the walls, making the space read more open than S 4010-Y50R.
Color Details
Guilford Green vs S 4010-Y50R Simulated Comparison
5 simulated room previews — drag the slider on each to see Guilford Green on one side and S 4010-Y50R 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 Guilford Green comparisons
See how Guilford Green stacks up against other well-photographed colors across different brands and tones.
