Slippery Shale vs Duck Green
Where Slippery Shale belongs to Behr's range, Duck Green is a Farrow & Ball color. Slippery Shale reads as grey, while Duck Green reads as green-grey — two distinct hue families, not close cousins. Slippery Shale (LRV 18) reflects noticeably more light than Duck Green (LRV 8), a difference of 10 points that becomes especially apparent in rooms with limited natural light. Slippery Shale runs red while Duck Green is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 19.2, 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.
Slippery Shale vs Duck Green in Real Spaces
1 real room side by side. Seeing Slippery Shale and Duck Green in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Slippery Shale reflects noticeably more light off the walls, making the space read more open than Duck Green.
Color Details
Slippery Shale vs Duck Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Slippery Shale on one side and Duck 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 Slippery Shale comparisons
See how Slippery Shale stacks up against other well-photographed colors across different brands and tones.
At LRV 69 vs 18, Ammonite is decisively the brighter choice.
White Dove reflects far more light (LRV 83 vs 18), opening up a space where Slippery Shale encloses it.
Slippery Shale reflects far more light (LRV 18 vs 6), opening up a space where Iron Ore encloses it.
At LRV 52 vs 18, Purbeck Stone is decisively the brighter choice.
At LRV 30 vs 18, Evergreen Fog is decisively the brighter choice.
Mizzle reflects far more light (LRV 52 vs 18), opening up a space where Slippery Shale encloses it.
At LRV 60 vs 18, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 18), opening up a space where Slippery Shale encloses it.
Denim Drift reads slightly lighter (LRV 27 vs 18), a gap that shows most in low-lit rooms.
At LRV 43 vs 18, French Gray is decisively the brighter choice.
At LRV 18 vs 4, Slippery Shale is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 18), opening up a space where Slippery Shale encloses it.
Slippery Shale reads slightly lighter (LRV 18 vs 13), a gap that shows most in low-lit rooms.
Hardwick White reflects far more light (LRV 44 vs 18), opening up a space where Slippery Shale encloses it.
At LRV 84 vs 18, Pure White is decisively the brighter choice.
A 3-point LRV gap (21 vs 18) makes Artichoke the marginally brighter of the two.
Balboa Mist reflects far more light (LRV 66 vs 18), opening up a space where Slippery Shale encloses it.
Shoji White reflects far more light (LRV 74 vs 18), opening up a space where Slippery Shale encloses it.
Snowbound reflects far more light (LRV 83 vs 18), opening up a space where Slippery Shale encloses it.
At LRV 51 vs 18, Pigeon is decisively the brighter choice.
Slippery Shale reads slightly lighter (LRV 18 vs 12), a gap that shows most in low-lit rooms.
Skimming Stone reflects far more light (LRV 68 vs 18), opening up a space where Slippery Shale encloses it.
At LRV 41 vs 18, Dix Blue is decisively the brighter choice.
Slippery Shale reads slightly lighter (LRV 18 vs 12), a gap that shows most in low-lit rooms.
Saybrook Sage reflects far more light (LRV 45 vs 18), opening up a space where Slippery Shale encloses it.
At LRV 31 vs 18, Pale Green is decisively the brighter choice.
A 11-point LRV gap (18 vs 7) makes Slippery Shale the marginally brighter of the two.