St. Lucia Skies (BM 781)
Illustrative room. Screen colors vary; test a sample before you paint.
St. Lucia Skies (BM 781) is a medium, cool blue from Benjamin Moore: LRV 47.3, so it reflects about 47 percent of the light that hits it.
Colors that go with St. Lucia Skies
Four Benjamin Moore colors picked for St. Lucia Skies 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 St. Lucia Skies, 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 | Undercool | SW 6957 | 49 | 2.0 | very close |
| Behr | Horizon Haze | 540B-4 | 48.7 | 1.6 | very close |
| Valspar | Water Fountain | 5001-10A | 45 | 1.2 | very close |
| PPG Paints | Horizon Haze | 1237-4 | 48 | 1.4 | very close |
Lighter and darker in Benjamin Moore
The Benjamin Moore blue colors nearest to St. Lucia Skies (LRV 47.3) by LRV.
Lighter than St. Lucia Skies
Darker than St. Lucia Skies
Color data
| Brand | Benjamin Moore |
|---|---|
| Color code | 781 |
| Hex | #7DBCDB |
| RGB | 125, 188, 219 |
| HSL | 200°, 57%, 67% |
| LRV (light reflectance value) | 47.3 |
| Lab L*, a*, b* | 73.2, -12.1, -21.8 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
St. Lucia Skies (BM 781), published as #7DBCDB
#65B2D9
#94C6DB
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 St. Lucia Skies (BM 781)?
- St. Lucia Skies has an LRV of 47.3. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so St. Lucia Skies is a medium color.
- What is the closest match to St. Lucia Skies in another brand?
- Water Fountain (Valspar 5001-10A) from Valspar, at a deltaE of 1.2 (very close).
- Is St. Lucia Skies warm or cool?
- Benjamin Moore lists St. Lucia Skies as cool, with a Cool Blue undertone. Its Lab b* value is -21.8; 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.