Athenian Blue (BM 773)
Illustrative room. Screen colors vary; test a sample before you paint.
Athenian Blue (BM 773) is a medium, cool blue from Benjamin Moore: LRV 44.9, so it reflects about 45 percent of the light that hits it.
Colors that go with Athenian Blue
Four Benjamin Moore colors picked for Athenian Blue 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 Athenian Blue, 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 | Regale Blue | SW 6801 | 42 | 2.1 | very close |
| Behr | Frisky Blue | M490-4 | 39.9 | 2.0 | very close |
| Valspar | Water Fountain | 5001-10A | 45 | 1.5 | very close |
| PPG Paints | Harbor Sky | 1238-4 | 42 | 0.9 | indistinguishable |
Lighter and darker in Benjamin Moore
The Benjamin Moore blue colors nearest to Athenian Blue (LRV 44.9) by LRV.
Lighter than Athenian Blue
Darker than Athenian Blue
Color data
| Brand | Benjamin Moore |
|---|---|
| Color code | 773 |
| Hex | #83B8D0 |
| RGB | 131, 184, 208 |
| HSL | 199°, 45%, 66% |
| LRV (light reflectance value) | 44.9 |
| Lab L*, a*, b* | 72.0, -11.3, -17.6 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Athenian Blue (BM 773), published as #83B8D0
#6DAECE
#99C2D0
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Benjamin Moore
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Common questions
- What is the LRV of Athenian Blue (BM 773)?
- Athenian Blue has an LRV of 44.9. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Athenian Blue is a medium color.
- What is the closest match to Athenian Blue in another brand?
- Harbor Sky (PPG 1238-4) from PPG Paints, at a deltaE of 0.9 (indistinguishable).
- Is Athenian Blue warm or cool?
- Benjamin Moore lists Athenian Blue as cool, with a Cool Blue undertone. Its Lab b* value is -17.6; 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.