Mountain Lake (PPG 1156-6)
Illustrative room. Screen colors vary; test a sample before you paint.
Mountain Lake (PPG 1156-6) is a very deep, cool blue from PPG Paints: LRV 9, so it reflects about 9 percent of the light that hits it.
Colors that go with Mountain Lake
Three PPG Paints colors picked for Mountain Lake by this site's color math: a trim white, a quiet contrast from another family, a dark accent. PPG Paints did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Mountain Lake, 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 | Regatta | SW 6517 | 8 | 2.1 | very close |
| Benjamin Moore | Blue Danube | 2062-30 | 11.2 | 2.2 | very close |
| Behr | Shasta Lake | M490-7 | 9.7 | 1.8 | very close |
| Valspar | Deep Sea Diving | 5001-8C | 10 | 2.5 | noticeably different |
Lighter and darker in PPG Paints
The PPG Paints blue colors nearest to Mountain Lake (LRV 9) by LRV.
Lighter than Mountain Lake
Darker than Mountain Lake
Color data
| Brand | PPG Paints |
|---|---|
| Color code | 1156-6 |
| Hex | #2D5975 |
| RGB | 45, 89, 117 |
| HSL | 203°, 44%, 32% |
| LRV (light reflectance value) | 9 |
| Lab L*, a*, b* | 36.0, -6.1, -20.5 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Mountain Lake (PPG 1156-6), published as #2D5975
#055073
#456275
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from PPG Paints
More from PPG Paints
Common questions
- What is the LRV of Mountain Lake (PPG 1156-6)?
- Mountain Lake has an LRV of 9. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Mountain Lake is a very deep color.
- What is the closest match to Mountain Lake in another brand?
- Shasta Lake (Behr M490-7) from Behr, at a deltaE of 1.8 (very close).
- Is Mountain Lake warm or cool?
- PPG Paints lists Mountain Lake as cool, with a Cool Blue undertone. Its Lab b* value is -20.5; 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.