Poseidon (BM 664)

Illustrative room. Screen colors vary; test a sample before you paint.
Poseidon (BM 664) is a deep, cool blue from Benjamin Moore: LRV 31.4, so it reflects about 31 percent of the light that hits it.
Colors that go with Poseidon
Four Benjamin Moore colors picked for Poseidon 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 Poseidon, 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 | Aquarium | SW 6767 | 32 | 5.0 | noticeably different |
| Behr | Fiji | P460-5 | 31.7 | 3.0 | noticeably different |
| Valspar | Laguna Green | 5007-10B | 31 | 2.2 | very close |
| PPG Paints | Grecian Isle | 1232-6 | 29 | 1.7 | very close |
Lighter and darker in Benjamin Moore
The Benjamin Moore blue colors nearest to Poseidon (LRV 31.4) by LRV.
Lighter than Poseidon
Darker than Poseidon
Color data
| Brand | Benjamin Moore |
|---|---|
| Color code | 664 |
| Hex | #00A6A1 |
| RGB | 0, 166, 161 |
| HSL | 178°, 100%, 33% |
| LRV (light reflectance value) | 31.4 |
| Lab L*, a*, b* | 61.5, -36.4, -7.7 |
| Undertone | Cool |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Poseidon (BM 664), published as #00A6A1
#009C9F
#3EB0A1
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 Poseidon (BM 664)?
- Poseidon has an LRV of 31.4. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Poseidon is a deep color.
- What is the closest match to Poseidon in another brand?
- Grecian Isle (PPG 1232-6) from PPG Paints, at a deltaE of 1.7 (very close).
- Is Poseidon warm or cool?
- Benjamin Moore lists Poseidon as cool, with a Cool undertone. Its Lab b* value is -7.7; 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.