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Gray Sky 2131-70
On-screen approximation from the published RGB value. Order a physical sample before you decide.
Undertone: Subtle blue-green undertone
In CIELAB, Gray Sky sits at L* 90.4, a* -2.7, b* -0.9. Its hue angle is 199° and its chroma is 2.8, so it leans blue-green only slightly — the undertone mostly shows next to whiter or grayer colors. It classifies as cool. Among Benjamin Moore colors with a similar LRV (±5), it is warmer (more yellow) than 10%.
LRV 75.9: very light
Light Reflectance Value runs from 0 (absolute black) to 100 (perfect white). At 75.9, Gray Sky is lighter than 87% of Benjamin Moore colors. Reflects most light. Works in dim rooms, north-facing spaces, ceilings and trim; can look stark in strong southern light.
Closest Sherwin-Williams match to Gray Sky
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 | |
|---|---|---|---|---|
| Rainsong | SW 9681 | 0.76 | Practically identical | |
| Snowdrop | SW 6511 | 0.82 | Practically identical | |
| Mountain Air | SW 6224 | 1.25 | Very close |
Closest Behr match to Gray Sky
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 | |
|---|---|---|---|---|
| Serene | ICC-36 | 0.86 | Practically identical | |
| Blue Bird Day | BL-W03 | 0.93 | Practically identical | |
| Blue Bird Day | BL-W3 | 0.93 | Practically identical |
Similar Benjamin Moore colors
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Lookout Point | 1646 | 0.91 | Practically identical | |
| Silver Cloud | 2129-70 | 1.13 | Very close | |
| Blue Veil | 875 | 1.30 | Very close | |
| Fanfare | 874 | 1.35 | Very close | |
| Iceberg | 2122-50 | 1.48 | Very close | |
| Whispering Spring | 2136-70 | 1.48 | Very close |
Lighter and darker versions
Colors from Benjamin Moore with nearly the same hue and saturation, one step lighter or darker.
- Stonewashed 865 · lighter, LRV 79.9
- Mirage White 2116-70 · lighter, LRV 80.7
- Oyster 2115-70 · lighter, LRV 80.4
- Ice Fog CSP-575 · darker, LRV 70.7
- North Shore Green 456 · darker, LRV 70.6
- Winter Orchard 1555 · darker, LRV 70.3
Colors that go with Gray Sky
Gray Sky is too close to neutral (chroma 2.8) 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.
Gray Sky vs popular colors
- Extra White (Sherwin-Williams SW 7006, ΔE 4.3) is lighter (LRV 85.9 vs 75.9), more yellow/warm, more red/pink.
- Pure White (Sherwin-Williams SW 7005, ΔE 4.9) is lighter (LRV 84.0 vs 75.9), more yellow/warm, more red/pink.
- White Heron (Benjamin Moore OC-57, ΔE 5.0) is lighter (LRV 86.7 vs 75.9), more yellow/warm, more red/pink.