Casco Bay (BM 2051-30)
Illustrative room. Screen colors vary; test a sample before you paint.
Casco Bay (BM 2051-30) is a very deep, cool blue from Benjamin Moore: LRV 15.1, so it reflects about 15 percent of the light that hits it.
Colors that go with Casco Bay
Four Benjamin Moore colors picked for Casco Bay by this site's color math: a trim white, a deeper blue, a quiet contrast from another family, a dark accent. Benjamin Moore did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Casco Bay, 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 | Green Bay | SW 6481 | 11 | 2.5 | noticeably different |
| Behr | Caribbean Green | 500D-7 | 13.5 | 1.4 | very close |
| Valspar | Pine Forest | 5007-8C | 14 | 2.1 | very close |
| PPG Paints | Tahitian Treat | 1147-7 | 11 | 4.2 | noticeably different |
Lighter and darker in Benjamin Moore
The Benjamin Moore blue colors nearest to Casco Bay (LRV 15.1) by LRV.
Lighter than Casco Bay
Darker than Casco Bay
Color data
| Brand | Benjamin Moore |
|---|---|
| Color code | 2051-30 |
| Hex | #306E6D |
| RGB | 48, 110, 109 |
| HSL | 179°, 39%, 31% |
| LRV (light reflectance value) | 15.1 |
| Lab L*, a*, b* | 42.6, -20.0, -5.5 |
| Undertone | Cool |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Casco Bay (BM 2051-30), published as #306E6D
#0E656B
#47776D
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Benjamin Moore
More from Benjamin Moore
Common questions
- What is the LRV of Casco Bay (BM 2051-30)?
- Casco Bay has an LRV of 15.1. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Casco Bay is a very deep color.
- What is the closest match to Casco Bay in another brand?
- Caribbean Green (Behr 500D-7) from Behr, at a deltaE of 1.4 (very close).
- Is Casco Bay warm or cool?
- Benjamin Moore lists Casco Bay as cool, with a Cool undertone. Its Lab b* value is -5.5; 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.