Downing Slate vs Mercurial
Downing Slate and Mercurial come from the same Sherwin-Williams collection. Hue-wise, Downing Slate belongs to the blue-grey family and Mercurial to the greige-grey family. The 40-point LRV gap — 61 for Mercurial vs 21 for Downing Slate — means Mercurial will open up a space more effectively. Where Downing Slate leans neutral, Mercurial reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 30.8 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.
Downing Slate vs Mercurial in Real Spaces
1 real room side by side. Seeing Downing Slate and Mercurial 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
Cabinet color is always seen in context — against countertops, backsplash, and hardware — which amplifies undertone differences that might disappear on a plain wall. Mercurial returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Downing Slate vs Mercurial Simulated Comparison
5 simulated room previews — drag the slider on each to see Downing Slate on one side and Mercurial 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 Downing Slate comparisons
See how Downing Slate stacks up against other well-photographed colors across different brands and tones.
At LRV 83 vs 21, White Dove is decisively the brighter choice.
Ammonite reflects far more light (LRV 69 vs 21), opening up a space where Downing Slate encloses it.
At LRV 21 vs 6, Downing Slate is decisively the brighter choice.
Purbeck Stone reflects far more light (LRV 52 vs 21), opening up a space where Downing Slate encloses it.
Evergreen Fog reads slightly lighter (LRV 30 vs 21), a gap that shows most in low-lit rooms.
At LRV 52 vs 21, Mizzle is decisively the brighter choice.
Agreeable Gray reflects far more light (LRV 60 vs 21), opening up a space where Downing Slate encloses it.
At LRV 58 vs 21, Accessible Beige is decisively the brighter choice.
A 6-point LRV gap (27 vs 21) makes Denim Drift the marginally brighter of the two.
French Gray reflects far more light (LRV 43 vs 21), opening up a space where Downing Slate encloses it.
Downing Slate reflects far more light (LRV 21 vs 4), opening up a space where Naval encloses it.
At LRV 55 vs 21, Tranquil Dawn is decisively the brighter choice.
A 8-point LRV gap (21 vs 13) makes Downing Slate the marginally brighter of the two.
At LRV 44 vs 21, Hardwick White is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 21), opening up a space where Downing Slate encloses it.
With LRVs of 21 and 21, the two reflect almost the same amount of light.
At LRV 66 vs 21, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 21, Shoji White is decisively the brighter choice.
At LRV 83 vs 21, Snowbound is decisively the brighter choice.
A 9-point LRV gap (21 vs 12) makes Downing Slate the marginally brighter of the two.
At LRV 68 vs 21, Skimming Stone is decisively the brighter choice.
Dix Blue reflects far more light (LRV 41 vs 21), opening up a space where Downing Slate encloses it.
Calamine reflects far more light (LRV 68 vs 21), opening up a space where Downing Slate encloses it.
Treron reads slightly lighter (LRV 25 vs 21), a gap that shows most in low-lit rooms.
A 9-point LRV gap (21 vs 12) makes Downing Slate the marginally brighter of the two.
At LRV 45 vs 21, Saybrook Sage is decisively the brighter choice.
Pale Green reads slightly lighter (LRV 31 vs 21), a gap that shows most in low-lit rooms.
Downing Slate reflects far more light (LRV 21 vs 7), opening up a space where Pine Needle encloses it.
Cement grey reads slightly lighter (LRV 24 vs 21), a gap that shows most in low-lit rooms.
Guilford Green reflects far more light (LRV 57 vs 21), opening up a space where Downing Slate encloses it.