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River Rock 2139-10
On-screen approximation from the published RGB value. Order a physical sample before you decide.
Undertone: Noticeable yellow undertone
In CIELAB, River Rock sits at L* 27.9, a* -1.2, b* 9.8. Its hue angle is 97° and its chroma is 9.8, so it leans yellow clearly enough to notice on a full wall. It classifies as warm. Among Benjamin Moore colors with a similar LRV (±5), it is warmer (more yellow) than 72%.
LRV 6.6: very dark
Light Reflectance Value runs from 0 (absolute black) to 100 (perfect white). At 6.6, River Rock is lighter than 2% 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 River Rock
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 | |
|---|---|---|---|---|
| Andiron | SW 6174 | 2.56 | Close — difference visible side by side | |
| Garden Path | SW 2929 | 3.70 | Close — difference visible side by side | |
| Nocturne | SW 9520 | 4.80 | Similar, clearly different |
Closest Behr match to River Rock
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 | |
|---|---|---|---|---|
| Olive Leaf | S-H-760 | 4.01 | Similar, clearly different | |
| Thorny Branch | S-H-780 | 4.03 | Similar, clearly different | |
| Unplugged | T18-11 | 4.06 | Similar, clearly different |
Similar Benjamin Moore colors
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Southern Vine | 2138-10 | 2.90 | Close — difference visible side by side | |
| Fatigue Green | 2140-10 | 3.85 | Close — difference visible side by side | |
| Tavern Charcoal | CW-90 | 4.85 | Similar, clearly different | |
| Green Grove | 2138-20 | 4.91 | Similar, clearly different | |
| Artichoke | 2141-10 | 5.14 | Similar, clearly different | |
| Otter Brown | 2137-10 | 5.57 | Similar, clearly different |
Lighter and darker versions
Colors from Benjamin Moore with nearly the same hue and saturation, one step lighter or darker.
- Mink 2112-10 · lighter, LRV 7.3
- Southern Vine 2138-10 · lighter, LRV 7.9
- Otter Brown 2137-10 · lighter, LRV 7.7
- Appalachian Brown 2115-10 · darker, LRV 6.0
- Night Shade 2116-10 · darker, LRV 6.1
- Bittersweet Chocolate 2114-10 · darker, LRV 5.1
Colors that go with River Rock
Color-theory pairings — the nearest Benjamin Moore color to each rotated hue, keeping the same lightness and saturation:
- Blackberry Punch CC-962 · complementary (180°)
- Oxford Brown ES-67 · analogous (−30°)
- Waller Green CW-510 · analogous (+30°)
- Miramichi CC-752 · triadic (120°)
- Black Raspberry 2072-20 · triadic (240°)
River Rock vs popular colors
- Urbane Bronze (Sherwin-Williams SW 7048, ΔE 6.9) is lighter (LRV 8.1 vs 6.6), more blue/cool, more red/pink, more muted.
- Iron Ore (Sherwin-Williams SW 7069, ΔE 6.9) is about as light, more blue/cool, more muted.
- Cordovan Brown (Benjamin Moore ES-62, ΔE 8.0) is about as light, more blue/cool, more red/pink, more muted.