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Sea Star 2123-30
On-screen approximation from the published RGB value. Order a physical sample before you decide.
Undertone: Noticeable blue-green undertone
In CIELAB, Sea Star sits at L* 63.5, a* -7.7, b* -2.6. Its hue angle is 199° and its chroma is 8.1, so it leans blue-green clearly enough to notice on a full wall. It classifies as cool. Among Benjamin Moore colors with a similar LRV (±5), it is warmer (more yellow) than 22%.
LRV 33.0: mid-tone
Light Reflectance Value runs from 0 (absolute black) to 100 (perfect white). At 33.0, Sea Star is lighter than 36% of Benjamin Moore colors. Reads clearly as a color. Best in rooms with good natural light, or as an accent wall; small dark rooms may feel smaller.
Closest Sherwin-Williams match to Sea Star
Ranked by CIEDE2000 color difference (ΔE) computed from published RGB values. Below 2 is hard to tell apart on the wall; above 4 is a different color.
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Delft | SW 9134 | 1.07 | Very close | |
| Morning at Sea | SW 9634 | 3.04 | Close — difference visible side by side | |
| Jasper Stone | SW 9133 | 3.62 | Close — difference visible side by side |
Closest Behr match to Sea Star
Ranked by CIEDE2000 color difference (ΔE) computed from published RGB values. Below 2 is hard to tell apart on the wall; above 4 is a different color. Behr does not publish LRV, so Behr values here are estimates.
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| October Sky | N440-4 | 1.78 | Very close | |
| Provence Blue | HDC-AC-23 | 1.88 | Very close | |
| Agave | PPU12-04 | 2.05 | Close — difference visible side by side |
Similar Benjamin Moore colors
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Atmospheric | AF-500 | 1.52 | Very close | |
| Mystic Lake | CSP-745 | 1.99 | Very close | |
| Williamsburg Wythe Blue | CW-590 | 2.99 | Close — difference visible side by side | |
| Province Blue | 2135-40 | 3.06 | Close — difference visible side by side | |
| Cloudy Sky | 2122-30 | 3.11 | Close — difference visible side by side | |
| Jamestown Blue | HC-148 | 3.24 | Close — difference visible side by side |
Lighter and darker versions
Colors from Benjamin Moore with nearly the same hue and saturation, one step lighter or darker.
- Dusty Cornflower CSP-605 · lighter, LRV 36.2
- Cobblestone Path 1606 · lighter, LRV 37.3
- Del Mar Blue 704 · lighter, LRV 37.8
- Rushing River 1574 · darker, LRV 30.5
- Brewster Gray HC-162 · darker, LRV 30.0
- Stonybrook 1566 · darker, LRV 29.3
Colors that go with Sea Star
Color-theory pairings — the nearest Benjamin Moore color to each rotated hue, keeping the same lightness and saturation:
- Mauve Blush 2115-40 · complementary (180°)
- Azores AF-495 · analogous (−30°)
- Water's Edge 1635 · analogous (+30°)
- Hazy Lilac 2116-40 · triadic (120°)
- Ashley Gray HC-87 · triadic (240°)
Sea Star vs popular colors
- Aegean Teal (Benjamin Moore 2136-40, ΔE 7.5) is darker (LRV 25.1 vs 33.0), more blue/cool, more green.
- Evergreen Fog (Sherwin-Williams SW 9130, ΔE 9.5) is darker (LRV 30.4 vs 33.0), more yellow/warm, more red/pink.
- Oyster Bay (Sherwin-Williams SW 6206, ΔE 10.4) is lighter (LRV 44.1 vs 33.0), more yellow/warm, more red/pink, more muted.