
Cornwall Slate
There is more to Sherwin-Williams Cornwall Slate (9131) than the swatch alone: its depth, undertones and setting all shape the final impression. An LRV of 29.1 places it through the middle of the scale, where color and depth can remain visible as the light changes. Its related shades below reveal where the color harmonizes—and where contrast brings it fully to life.
Hex
#949488LRV
29.13
Cornwall Slate's Color Strip
Cornwall Slate is the fourth shade on this 7-color strip, sitting between Rare Gray and Link Gray. The strip spans from Aloof Gray at the lightest end to Cast Iron at the deepest. Strip 216 lines up the full value range so you can see exactly where this color lands among its closest relatives.
Cornwall Slate in Rooms
Follow Cornwall Slate from one space to another and watch how light, scale and surrounding materials reshape its character. 19 sourced room photos offer a closer look at the color in lived-in settings.
2 Misc Photos
2 sourced room photos give the gallery a lived-in point of reference. Together they show Cornwall Slate (9131) as inspiration rather than a promise of an identical result.

Bedroom walls painted in Cornwall Slate create calm sophistication.
@thebrigdenhouse

Accent wall in Cornwall Slate adds depth to the space.
@mikalynneinteriors
10 Kitchen Cabinets Photos
10 sourced room photos give the gallery a lived-in point of reference. Together they show Cornwall Slate (9131) as inspiration rather than a promise of an identical result.

Kitchen cabinets finished in Cornwall Slate offer timeless elegance.
@j.a.culpepper
1 Living Room Photo
Across 1 living room image, Cornwall Slate (9131) meets the movement from window light to lamplight. Its neutral temperature gives the surrounding palette unusual influence over the final mood.

Living room walls in Cornwall Slate establish elegant atmosphere.
@mikalynneinteriors
3 Bedroom Photos
3 sourced room photos give the gallery a lived-in point of reference. Together they show Cornwall Slate (9131) as inspiration rather than a promise of an identical result.

Bedroom painted Cornwall Slate feels serene and grounded.
@jackpowers84

Bedroom walls finished in Cornwall Slate provide restful backdrop.
@jackpowers84

Master bedroom wrapped in Cornwall Slate offers tranquil comfort.
@jackpowers84
1 House Photo
Against roofing, masonry, timber, planting and trim, Cornwall Slate (9131) may feel quieter, sharper or more atmospheric than the digital swatch alone. An LRV of 29.1 lets the color hold its identity across both brighter and more shaded parts of the room.

Exterior siding painted Cornwall Slate gives the home polished presence.
@carbineandassociates
2 Bathroom Photos
Cornwall Slate (9131) offers a starting mood rather than a finished formula: Its neutral temperature gives the surrounding palette unusual influence over the final mood. Test it under window light, mirrors and focused task lighting.

Bathroom walls in Cornwall Slate blend style with practicality.
@twilight_roofing

Bathroom finishes in Cornwall Slate suit any design aesthetic.
@twilight_roofing
Coordinating Colors



At LRV 72 vs 29, Frosty White is decisively the brighter choice.



Gossamer Veil reflects far more light (LRV 62 vs 29), opening up a space where Cornwall Slate encloses it.



With LRVs of 29 and 28, the two reflect almost the same amount of light.
Trim Color



At LRV 72 vs 29, Frosty White is decisively the brighter choice.
Similar Colors



With LRVs of 30 and 29, the two reflect almost the same amount of light.



Their light reflectance is nearly identical (LRV 29 vs 29), so neither reads brighter in a room.



Their light reflectance is nearly identical (LRV 29 vs 29), so neither reads brighter in a room.



Their light reflectance is nearly identical (LRV 31 vs 29), so neither reads brighter in a room.



A 3-point LRV gap (32 vs 29) makes Acacia Haze the marginally brighter of the two.



With LRVs of 29 and 28, the two reflect almost the same amount of light.



With LRVs of 31 and 29, the two reflect almost the same amount of light.



Their light reflectance is nearly identical (LRV 30 vs 29), so neither reads brighter in a room.



A 4-point LRV gap (34 vs 29) makes Rushing River the marginally brighter of the two.



Their light reflectance is nearly identical (LRV 32 vs 29), so neither reads brighter in a room.
Complementary Colors



A 9-point LRV gap (29 vs 20) makes Cornwall Slate the marginally brighter of the two.



Their light reflectance is nearly identical (LRV 29 vs 28), so neither reads brighter in a room.


At LRV 29 vs 12, Cornwall Slate is decisively the brighter choice.


Cornwall Slate reflects far more light (LRV 29 vs 4), opening up a space where Mountain Fig encloses it.



A 6-point LRV gap (35 vs 29) makes Vesper Violet the marginally brighter of the two.


At LRV 29 vs 13, Cornwall Slate is decisively the brighter choice.



At LRV 76 vs 29, Lady's Slipper is decisively the brighter choice.
Lighter Colors



Stamped Concrete reads slightly lighter (LRV 35 vs 29), a gap that shows most in low-lit rooms.



Gray Clouds reflects far more light (LRV 47 vs 29), opening up a space where Cornwall Slate encloses it.



Rare Gray reads slightly lighter (LRV 38 vs 29), a gap that shows most in low-lit rooms.



Sensible Hue reflects far more light (LRV 46 vs 29), opening up a space where Cornwall Slate encloses it.
Darker Colors



Cornwall Slate reflects far more light (LRV 29 vs 13), opening up a space where Cast Iron encloses it.



At LRV 29 vs 10, Cornwall Slate is decisively the brighter choice.



At LRV 29 vs 15, Cornwall Slate is decisively the brighter choice.



A 10-point LRV gap (29 vs 19) makes Cornwall Slate the marginally brighter of the two.



Cornwall Slate reads slightly lighter (LRV 29 vs 21), a gap that shows most in low-lit rooms.
Color Codes
Manufacturer description
This cool slate green inspires visions of rugged, wind-swept places. Consider this neutral in your living room and relish its soft, nature-inspired vibe.

