Sea Star (BM 2123-30)
Illustrative room. Screen colors vary; test a sample before you paint.
Sea Star (BM 2123-30) is a deep, neutral blue from Benjamin Moore: LRV 33, so it reflects about 33 percent of the light that hits it.
Colors that go with Sea Star
Four Benjamin Moore colors picked for Sea Star 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 Sea Star, 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 | Delft | SW 9134 | 33 | 1.1 | very close |
| Behr | October Sky | N440-4 | 34.3 | 1.8 | very close |
| Valspar | Café Blue | 5001-4A | 32 | 1.7 | very close |
| PPG Paints | Aqua Smoke | 1034-5 | 33 | 1.4 | very close |
Lighter and darker in Benjamin Moore
The Benjamin Moore blue colors nearest to Sea Star (LRV 33) by LRV.
Lighter than Sea Star
Darker than Sea Star
Color data
| Brand | Benjamin Moore |
|---|---|
| Color code | 2123-30 |
| Hex | #889E9E |
| RGB | 136, 158, 158 |
| HSL | 180°, 10%, 58% |
| LRV (light reflectance value) | 33 |
| Lab L*, a*, b* | 63.5, -7.7, -2.6 |
| Undertone | Cool Green |
| Temperature | neutral |
| Color family | Blue |
Same paint, two kinds of light
Sea Star (BM 2123-30), published as #889E9E
#76949C
#9AA89E
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Benjamin Moore
Comparisons that include Sea Star (BM 2123-30)
More from Benjamin Moore
Common questions
- What is the LRV of Sea Star (BM 2123-30)?
- Sea Star has an LRV of 33. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Sea Star is a deep color.
- What is the closest match to Sea Star in another brand?
- Delft (SW 9134) from Sherwin-Williams, at a deltaE of 1.1 (very close).
- Is Sea Star warm or cool?
- Benjamin Moore lists Sea Star as neutral, with a Cool Green undertone. Its Lab b* value is -2.6; 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.