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Iron Mountain 2134-30
On-screen approximation from the published RGB value. Order a physical sample before you decide.
Undertone: No measurable undertone (true neutral)
In CIELAB, Iron Mountain sits at L* 36.3, a* 0.4, b* 1.5. Its hue angle is 75° and its chroma is 1.5, so it has essentially no color cast — a true neutral that will pick up the color of the light and surroundings. It classifies as neutral. Among Benjamin Moore colors with a similar LRV (±5), it is warmer (more yellow) than 36%.
LRV 11.0: very dark
Light Reflectance Value runs from 0 (absolute black) to 100 (perfect white). At 11.0, Iron Mountain is lighter than 9% of Benjamin Moore colors. Near-black depth. Use on doors, trim, cabinetry, exteriors or moody rooms with strong artificial lighting.
Closest Sherwin-Williams match to Iron Mountain
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 | |
|---|---|---|---|---|
| Peppercorn | SW 7674 | 1.79 | Very close | |
| Stony Creek | SW 9610 | 1.97 | Very close | |
| Forged Steel | SW 9565 | 2.33 | Close — difference visible side by side |
Closest Behr match to Iron Mountain
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 | |
|---|---|---|---|---|
| Maximum Gray | QE-62 | 1.51 | Very close | |
| Catskill Brown | BXC-23 | 1.78 | Very close | |
| Shadow Mountain | PPU24-22 | 1.79 | Very close |
Similar Benjamin Moore colors
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Gray | 2121-10 | 1.79 | Very close | |
| Ambler Slate | CW-685 | 2.90 | Close — difference visible side by side | |
| Silhouette | AF-655 | 3.17 | Close — difference visible side by side | |
| Dragon's Breath | 1547 | 3.18 | Close — difference visible side by side | |
| Nightfall | 1596 | 4.04 | Similar, clearly different | |
| Willow | CC-542 | 4.18 | Similar, clearly different |
Lighter and darker versions
Colors from Benjamin Moore with nearly the same hue and saturation, one step lighter or darker.
- Mythic CSP-510 · lighter, LRV 12.0
- Flint AF-560 · lighter, LRV 12.0
- Spanish Moss ES-44 · lighter, LRV 11.3
- Willow CC-542 · darker, LRV 9.1
- Tavern Charcoal CW-90 · darker, LRV 9.7
- French Beret 1610 · darker, LRV 9.1
Colors that go with Iron Mountain
Iron Mountain is too close to neutral (chroma 1.5) for hue-based pairings to be meaningful; pair it with any color that shares its lean, and use a crisper white for trim.
Iron Mountain vs popular colors
- Peppercorn (Sherwin-Williams SW 7674, ΔE 1.8) is about as light, more blue/cool.
- Gray (Benjamin Moore 2121-10, ΔE 1.8) is about as light, more blue/cool.
- Urbane Bronze (Sherwin-Williams SW 7048, ΔE 2.9) is darker (LRV 8.1 vs 11.0), more yellow/warm, more saturated.