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Uncertain Gray SW 6234
On-screen approximation from the published RGB value. Order a physical sample before you decide.
Undertone: Subtle blue-green undertone
In CIELAB, Uncertain Gray sits at L* 71.3, a* -2.3, b* -1.4. Its hue angle is 211° and its chroma is 2.6, so it leans blue-green only slightly — the undertone mostly shows next to whiter or grayer colors. It classifies as cool. Among Sherwin-Williams colors with a similar LRV (±5), it is warmer (more yellow) than 21%.
LRV 42.7: mid-tone
Light Reflectance Value runs from 0 (absolute black) to 100 (perfect white). At 42.7, Uncertain Gray is lighter than 54% of Sherwin-Williams colors. Reads clearly as a color. Best in rooms with good natural light, or as an accent wall; small dark rooms may feel smaller.
Closest Benjamin Moore match to Uncertain Gray
Ranked by CIEDE2000 color difference (ΔE) computed from published RGB values. Below 2 is hard to tell apart on the wall; above 4 is a different color.
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Subway Tile® | CSP-585 | 0.28 | Practically identical | |
| Gull Wing Gray | 2134-50 | 0.78 | Practically identical | |
| Marina Gray | 1599 | 1.07 | Very close |
Closest Behr match to Uncertain Gray
Ranked by CIEDE2000 color difference (ΔE) computed from published RGB values. Below 2 is hard to tell apart on the wall; above 4 is a different color. Behr does not publish LRV, so Behr values here are estimates.
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Tin Foil | N500-3 | 1.39 | Very close | |
| Stargazer | N510-3 | 1.94 | Very close | |
| Flint Smoke | 730F-4 | 1.95 | Very close |
Similar Sherwin-Williams colors
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Morning Fog | SW 6255 | 1.41 | Very close | |
| Online | SW 7072 | 1.77 | Very close | |
| Mineral | SW 9637 | 1.99 | Very close | |
| Jubilee | SW 6248 | 2.08 | Close — difference visible side by side | |
| Stardew | SW 9138 | 2.12 | Close — difference visible side by side | |
| Gris | SW 7659 | 2.43 | Close — difference visible side by side |
Lighter and darker versions
Colors from Sherwin-Williams with nearly the same hue and saturation, one step lighter or darker.
- Mineral SW 9637 · lighter, LRV 46.4
- Silvermist SW 7621 · lighter, LRV 46.9
- Chelsea Gray SW 2850 · lighter, LRV 46.9
- Beguiling Mauve SW 6269 · darker, LRV 39.6
- Proper Gray SW 6003 · darker, LRV 39.4
- Ellie Gray SW 7650 · darker, LRV 39.8
Colors that go with Uncertain Gray
Sherwin-Williams's own coordinating colors for Uncertain Gray:
- Origami White SW 7636
- Foggy Day SW 6235
- Rock Candy SW 6231
Uncertain Gray is too close to neutral (chroma 2.6) for hue-based pairings to be meaningful; pair it with any color that shares its blue-green lean, and use a crisper white for trim.
Uncertain Gray vs popular colors
- Coventry Gray (Benjamin Moore HC-169, ΔE 4.3) is lighter (LRV 48.2 vs 42.7), more yellow/warm.
- Oyster Bay (Sherwin-Williams SW 6206, ΔE 5.5) is about as light, more yellow/warm, more green, more saturated.
- Smoke (Benjamin Moore 2122-40, ΔE 6.7) is lighter (LRV 56.4 vs 42.7), more green, more saturated.