Mountain River (Valspar 4005-6C)
Illustrative room. Screen colors vary; test a sample before you paint.
Mountain River (Valspar 4005-6C) is a very deep, cool blue from Valspar: LRV 12, so it reflects about 12 percent of the light that hits it.
Colors that go with Mountain River
Three Valspar colors picked for Mountain River by this site's color math: a trim white, a quiet contrast from another family, a dark accent. Valspar did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Mountain River, ranked by CIEDE2000 (deltaE): under 1.0 is indistinguishable, 1.0 to 2.3 very close, 2.3 to 5 noticeably different, over 5 clearly different.
| Brand | Closest color | Code | LRV | deltaE | How close |
|---|---|---|---|---|---|
| Sherwin-Williams | Needlepoint Navy | SW 0032 | 13 | 4.1 | noticeably different |
| Benjamin Moore | Andes Summit | CSP-600 | 14.1 | 2.3 | very close |
| Behr | English Channel | PPU14-19 | 11.4 | 0.8 | indistinguishable |
| PPG Paints | Blue Fjord | 1163-6 | 11 | 2.0 | very close |
Lighter and darker in Valspar
The Valspar blue colors nearest to Mountain River (LRV 12) by LRV.
Lighter than Mountain River
Darker than Mountain River
Color data
| Brand | Valspar |
|---|---|
| Color code | 4005-6C |
| Hex | #516273 |
| RGB | 81, 98, 115 |
| HSL | 210°, 17%, 38% |
| LRV (light reflectance value) | 12 |
| Lab L*, a*, b* | 40.8, -2.1, -11.7 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Mountain River (Valspar 4005-6C), published as #516273
#3E5971
#636B73
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Valspar
More from Valspar
Common questions
- What is the LRV of Mountain River (Valspar 4005-6C)?
- Mountain River has an LRV of 12. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Mountain River is a very deep color.
- What is the closest match to Mountain River in another brand?
- English Channel (Behr PPU14-19) from Behr, at a deltaE of 0.8 (indistinguishable).
- Is Mountain River warm or cool?
- Valspar lists Mountain River as cool, with a Cool Blue undertone. Its Lab b* value is -11.7; a higher b* is warmer and yellower, a lower one cooler and bluer.
Sources: LRV and hex as published by the manufacturer, via PaintDB (CC BY 4.0). Color differences are CIEDE2000 values computed by this site from the hex values (data snapshot 2026-10-01). Color names and codes belong to their manufacturers.