Cornwall Slate
HGSW 9131 · #949488 · LRV 29 — warm yellow tone, mid-tone — versatile but shifts visibly with light.
- 1Black Fox7
- 2Pewter Green12
- 3Cornwall Slate29
- 4Stardew43
- 5Upward57
What Color Is Cornwall Slate, Really?
Cornwall Slate reads as a warm yellow tone — mid-tone — versatile but shifts visibly with light. The notes below cover how HGTV Home by Sherwin-Williams HGSW 9131 behaves in different light and the closest matches at competing US brands.
Best Rooms and Uses for Cornwall Slate
Cornwall Slate is versatile enough for full rooms but has enough depth to anchor a space, so it suits living rooms, bedrooms and cabinetry alike. Grays like this read as a modern neutral and sit comfortably alongside both warm woods and cool metals.
How Lighting Changes Cornwall Slate
Cornwall Slate sits in the mid-range at LRV 29, so it shifts visibly through the day — lighter and more open in morning light, deeper and moodier after dark. Because it carries almost no measurable hue, it stays a true neutral and pairs cleanly with nearly any trim or floor. South-facing rooms will pull it lighter and warmer, while north light cools it down.
Most complaints about Cornwall Slate are a light mismatch. Upload a photo of your actual room and see it on your walls — then ask for the same wall in north light or evening lamps before you buy a single sample.
Need It From Another Brand?
Any paint counter can custom-tint HGTV Home by Sherwin-Williams HGSW 9131 directly. If you would rather stay in one brand's own deck, these are the closest stock matches, measured as ΔE2000. Under 2 is a difference you will not see on the wall.
| Brand | Closest color | ΔE | LRV | |
|---|---|---|---|---|
| Sherwin-Williams | Cornwall SlateSW 9131 · Sherwin-Williams | 0.0 | 29 | Color page → |
| Behr | Shady WillowECC-36-1 · Behr | 1.7 | 30 | Color page → |
| Benjamin Moore | Storm Cloud Gray2140-40 · Benjamin Moore | 1.4 | 29 | Color page → |
| Valspar | Gray Expose5007-2A · Valspar | 1.1 | 30.6 | Color page → |
| PPG / Glidden | Steeped TeaPPG0999-4 · PPG / Glidden | 2.9 | 30 | Color page → |
| Glidden | Steeped TeaPPG0999-4 · Glidden | 2.7 | 30 | Color page → |
Similar HGTV Home by Sherwin-Williams Colors
The nearest shades to Cornwall Slate within HGTV Home by Sherwin-Williams's own range, ranked by perceptual color distance — useful when you want the same look a touch lighter, darker, or warmer.
WCAG 2.1: AA is 4.5 : 1 for normal text, 3 : 1 for large text, AAA is 7 : 1.
Coordinated palette
Generated by hue-rotating #949488 in HSL space. Pair Cornwall Slate with one accent and one neutral — the swatches below are starting points, not final picks.
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