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Platinum Gray HC-179
On-screen approximation from the published RGB value. Order a physical sample before you decide.
Undertone: Subtle green undertone
In CIELAB, Platinum Gray sits at L* 69.0, a* -1.5, b* 3.0. Its hue angle is 116° and its chroma is 3.3, so it leans green only slightly — the undertone mostly shows next to whiter or grayer colors. It classifies as neutral-warm. Among Benjamin Moore colors with a similar LRV (±5), it is warmer (more yellow) than 27%.
LRV 39.6: mid-tone
Light Reflectance Value runs from 0 (absolute black) to 100 (perfect white). At 39.6, Platinum Gray is lighter than 43% of Benjamin Moore 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 Sherwin-Williams match to Platinum 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 | |
|---|---|---|---|---|
| Gray Matters | SW 7066 | 0.29 | Practically identical | |
| Ellie Gray | SW 7650 | 1.28 | Very close | |
| Unusual Gray | SW 7059 | 1.84 | Very close |
Closest Behr match to Platinum 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 | |
|---|---|---|---|---|
| Great Graphite | PPU24-18 | 1.00 | Very close | |
| Silver Gray | 6694 | 1.27 | Very close | |
| Cool Granite | PPF-39 | 1.38 | Very close |
Similar Benjamin Moore colors
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Cape May Cobblestone | 1474 | 1.99 | Very close | |
| Sabre Gray | 1482 | 2.07 | Close — difference visible side by side | |
| Museum Piece | CSP-40 | 2.88 | Close — difference visible side by side | |
| Fieldstone | 1558 | 3.02 | Close — difference visible side by side | |
| Smoke & Mirrors | CSP-105 | 3.34 | Close — difference visible side by side | |
| Storm | AF-700 | 3.35 | Close — difference visible side by side |
Lighter and darker versions
Colors from Benjamin Moore with nearly the same hue and saturation, one step lighter or darker.
- Fieldstone 1558 · lighter, LRV 42.7
- Silver Mink 1586 · lighter, LRV 43.5
- Stone Harbor 2111-50 · lighter, LRV 43.2
- Fusion AF-675 · darker, LRV 36.7
- Rockport Gray HC-105 · darker, LRV 36.6
- River Reflections 1552 · darker, LRV 35.3
Colors that go with Platinum Gray
Platinum Gray is too close to neutral (chroma 3.3) for hue-based pairings to be meaningful; pair it with any color that shares its green lean, and use a crisper white for trim.
Platinum Gray vs popular colors
- Dorian Gray (Sherwin-Williams SW 7017, ΔE 3.1) is about as light, more yellow/warm, more red/pink.
- Sea Gull Gray (Benjamin Moore ES-72, ΔE 3.7) is about as light, more yellow/warm, more saturated.
- Oyster Bay (Sherwin-Williams SW 6206, ΔE 3.9) is lighter (LRV 44.1 vs 39.6), more yellow/warm, more green, more saturated.