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Mountain Pass SW 9655
On-screen approximation from the published RGB value. Order a physical sample before you decide.
Undertone: Subtle blue-green undertone
In CIELAB, Mountain Pass sits at L* 43.7, a* -5.3, b* -1.8. Its hue angle is 199° and its chroma is 5.6, 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 30%.
LRV 13.5: very dark
Light Reflectance Value runs from 0 (absolute black) to 100 (perfect white). At 13.5, Mountain Pass is lighter than 17% of Sherwin-Williams colors. Near-black depth. Use on doors, trim, cabinetry, exteriors or moody rooms with strong artificial lighting.
Closest Benjamin Moore match to Mountain Pass
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 | |
|---|---|---|---|---|
| Knoxville Gray | HC-160 | 0.76 | Practically identical | |
| Kitty Gray | 1589 | 3.32 | Close — difference visible side by side | |
| Quarry Rock | 1568 | 3.46 | Close — difference visible side by side |
Closest Behr match to Mountain Pass
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 | |
|---|---|---|---|---|
| Brooklyn | N440-6 | 1.46 | Very close | |
| Mountain Pine | PPU12-19 | 1.90 | Very close | |
| Amphibian | 730F-6 | 1.97 | Very close |
Similar Sherwin-Williams colors
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Riverway | SW 6222 | 3.63 | Close — difference visible side by side | |
| Homburg Gray | SW 7622 | 3.80 | Close — difference visible side by side | |
| Slate Tile | SW 7624 | 3.85 | Close — difference visible side by side | |
| Rocky River | SW 6215 | 4.25 | Similar, clearly different | |
| Succulent | SW 9650 | 4.37 | Similar, clearly different | |
| Grays Harbor | SW 6236 | 4.46 | Similar, clearly different |
Lighter and darker versions
Colors from Sherwin-Williams with nearly the same hue and saturation, one step lighter or darker.
- Riverway SW 6222 · lighter, LRV 15.6
- Stargazer SW 9635 · lighter, LRV 16.6
- Mediterranean SW 7617 · lighter, LRV 17.5
- Grays Harbor SW 6236 · darker, LRV 12.1
- Pewter Green SW 6208 · darker, LRV 11.8
- Outerspace SW 6251 · darker, LRV 11.6
Colors that go with Mountain Pass
Color-theory pairings — the nearest Sherwin-Williams color to each rotated hue, keeping the same lightness and saturation:
- Browse Brown SW 6012 · complementary (180°)
- Succulent SW 9650 · analogous (−30°)
- Slate Tile SW 7624 · analogous (+30°)
- Stunning Shade SW 7082 · triadic (120°)
- Porpoise SW 7047 · triadic (240°)
Mountain Pass vs popular colors
- Amherst Gray (Benjamin Moore HC-167, ΔE 8.5) is lighter (LRV 18.8 vs 13.5), more yellow/warm, more red/pink, more muted.
- Peppercorn (Sherwin-Williams SW 7674, ΔE 8.8) is darker (LRV 9.7 vs 13.5), more yellow/warm, more red/pink, more muted.
- Gray (Benjamin Moore 2121-10, ΔE 8.8) is darker (LRV 11.5 vs 13.5), more yellow/warm, more red/pink, more muted.