Ambler Slate vs Guilford Green
Both from Benjamin Moore's palette. Hue-wise, Ambler Slate belongs to the grey family and Guilford Green to the beige-green family. Guilford Green (LRV 57) reflects noticeably more light than Ambler Slate (LRV 12), a difference of 45 points that becomes especially apparent in rooms with limited natural light. Ambler Slate runs blue while Guilford Green is decidedly yellow, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 47.0, 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.
Ambler Slate vs Guilford Green in Real Spaces
1 real room side by side. Seeing Ambler Slate and Guilford Green in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
House
Seen across an entire facade, subtle tonal differences become pronounced. What reads as nearly the same on a chip often reads as clearly different at scale. Guilford Green reflects noticeably more light off the walls, making the space read more open than Ambler Slate.
Color Details
Ambler Slate vs Guilford Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Ambler Slate on one side and Guilford 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 Ambler Slate comparisons
See how Ambler Slate stacks up against other well-photographed colors across different brands and tones.
