Sea Star (BM 2123-30) vs Aegean Teal (BM 2136-40)

Living room with walls painted Benjamin Moore Sea Star 2123-30 (simulated)
Sea Star BM 2123-30#889E9E, LRV 33
Living room with walls painted Benjamin Moore Aegean Teal 2136-40 (simulated)
Aegean Teal BM 2136-40#6F898B, LRV 25.1

Illustrative room. Screen colors vary; test a sample before you paint.

Quick decision

Lighter
Sea Star, LRV 33 vs 25.1.
Warmer
Sea Star, both blue-gray (Lab b* -2.6 vs -4.1).
North rooms
Sea Star keeps more brightness (L* 59.4 vs 51.3 in north light); both drift gray about equally.
Trim that works
Quiet Pond BM 2052-70, #D5EBEA, LRV 78.6: the Benjamin Moore white closest in hue to both.
Closeness
deltaE 7.5, clearly different. At 7.5, treat them as different colors.

See each color

Sea Star (BM 2123-30) is lighter than Aegean Teal (BM 2136-40) and slightly warmer: LRV 33 vs 25.1, deltaE 7.5 (clearly different).

Side by side

MeasureSea StarAegean TealGap
BrandBenjamin MooreBenjamin Moore
Color code2123-302136-40
Hex#889E9E#6F898B
RGB136, 158, 158111, 137, 139
HSL180°, 10%, 58%184°, 11%, 49%
LRV (light reflectance value)3325.1+7.9
Lab L*63.555.2+8.3
Lab a*-7.7-8.7+1.1
Lab b*-2.6-4.1+1.5
UndertoneCool GreenCool
Temperatureneutralneutral
Color familyBlueBlue

Same paint, two kinds of light

Sea Star (BM 2123-30), published as #889E9E

North light (cool, indirect)
#76949C
South light (warm, direct)
#9AA89E

Aegean Teal (BM 2136-40), published as #6F898B

North light (cool, indirect)
#5D8089
South light (warm, direct)
#81938B

These swatches and the rooms above are a simulation, not a measurement. How the visualizer works

Which should you pick

Rules of thumb computed from the LRV and Lab values in the table above; no room test was done.

  • Pick Sea Star (BM 2123-30) for a small room or a north-facing room, because it is 7.9 LRV points lighter (33 vs 25.1), so it bounces back more of the limited light
  • Pick Aegean Teal (BM 2136-40) for a south-facing room, because its Lab b* is -4.1 against -2.6, so it is the cooler of the two and offsets warm direct sun
  • Pick Sea Star (BM 2123-30) to warm a north-facing room, because it is the warmer of the two (Lab b* -2.6), which counters cool indirect light

Closest matches to Sea Star in other brands

Closest matches to Aegean Teal in other brands

Common questions

Is Sea Star the same color as Aegean Teal?
They are clearly different: a CIEDE2000 difference of 7.5. Sea Star and Aegean Teal are different colors.
Which is lighter, Sea Star or Aegean Teal?
Sea Star, with an LRV of 33 against 25.1.

Full pages

Published . Updated .

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.