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.
At LRV 69 vs 12, Ammonite is decisively the brighter choice.
White Dove reflects far more light (LRV 83 vs 12), opening up a space where Ambler Slate encloses it.
Ambler Slate reads slightly lighter (LRV 12 vs 6), a gap that shows most in low-lit rooms.
At LRV 52 vs 12, Purbeck Stone is decisively the brighter choice.
At LRV 30 vs 12, Evergreen Fog is decisively the brighter choice.
Mizzle reflects far more light (LRV 52 vs 12), opening up a space where Ambler Slate encloses it.
At LRV 60 vs 12, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 12), opening up a space where Ambler Slate encloses it.
Denim Drift reflects far more light (LRV 27 vs 12), opening up a space where Ambler Slate encloses it.
At LRV 43 vs 12, French Gray is decisively the brighter choice.
A 7-point LRV gap (12 vs 4) makes Ambler Slate the marginally brighter of the two.
Tranquil Dawn reflects far more light (LRV 55 vs 12), opening up a space where Ambler Slate encloses it.
With LRVs of 13 and 12, the two reflect almost the same amount of light.
Hardwick White reflects far more light (LRV 44 vs 12), opening up a space where Ambler Slate encloses it.
At LRV 84 vs 12, Pure White is decisively the brighter choice.
A 10-point LRV gap (21 vs 12) makes Artichoke the marginally brighter of the two.
Balboa Mist reflects far more light (LRV 66 vs 12), opening up a space where Ambler Slate encloses it.
Shoji White reflects far more light (LRV 74 vs 12), opening up a space where Ambler Slate encloses it.
Snowbound reflects far more light (LRV 83 vs 12), opening up a space where Ambler Slate encloses it.
At LRV 51 vs 12, Pigeon is decisively the brighter choice.
With LRVs of 12 and 12, the two reflect almost the same amount of light.
Ambler Slate reads slightly lighter (LRV 12 vs 8), a gap that shows most in low-lit rooms.
Skimming Stone reflects far more light (LRV 68 vs 12), opening up a space where Ambler Slate encloses it.
At LRV 41 vs 12, Dix Blue is decisively the brighter choice.
With LRVs of 12 and 12, the two reflect almost the same amount of light.
Saybrook Sage reflects far more light (LRV 45 vs 12), opening up a space where Ambler Slate encloses it.
At LRV 31 vs 12, Pale Green is decisively the brighter choice.