Home › Benjamin Moore › Blue-green › At Sea
At Sea 666
On-screen approximation from the published RGB value. Order a physical sample before you decide.
Undertone: Noticeable blue-green undertone
In CIELAB, At Sea sits at L* 87.9, a* -11.7, b* 0.5. Its hue angle is 178° and its chroma is 11.7, 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 18%.
LRV 70.7: very light
Light Reflectance Value runs from 0 (absolute black) to 100 (perfect white). At 70.7, At Sea is lighter than 79% of Benjamin Moore colors. Reflects most light. Works in dim rooms, north-facing spaces, ceilings and trim; can look stark in strong southern light.
Closest Sherwin-Williams match to At Sea
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 | |
|---|---|---|---|---|
| Waterfall | SW 6750 | 1.20 | Very close | |
| Tame Teal | SW 6757 | 1.66 | Very close | |
| Meander Blue | SW 6484 | 2.83 | Close — difference visible side by side |
Closest Behr match to At Sea
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 | |
|---|---|---|---|---|
| Misty Isle | MQ3-19 | 0.23 | Practically identical | |
| Tidewater | M450-2 | 0.96 | Practically identical | |
| Windwood Spring | 510C-2 | 1.61 | Very close |
Similar Benjamin Moore colors
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Antiguan Sky | 2040-60 | 1.07 | Very close | |
| Robin's Nest | 618 | 1.50 | Very close | |
| Quartz Stone | 597 | 1.81 | Very close | |
| Water Drops | 659 | 1.91 | Very close | |
| Soft Mint | 2041-60 | 2.00 | Close — difference visible side by side | |
| Arctic Blue | 2050-60 | 2.61 | 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.
- Quartz Stone 597 · lighter, LRV 75.2
- In Your Eyes 715 · lighter, LRV 75.4
- Tropical Pool 2038-60 · lighter, LRV 75.4
- Dolphin's Cove 722 · darker, LRV 66.9
- Bird's Egg 2051-60 · darker, LRV 66.8
- Icy Morn 457 · darker, LRV 65.8
Colors that go with At Sea
Color-theory pairings — the nearest Benjamin Moore color to each rotated hue, keeping the same lightness and saturation:
- Pink Lace 2081-60 · complementary (180°)
- Feather Green 625 · analogous (−30°)
- Crystal Springs 764 · analogous (+30°)
- Lavender Ice 2069-60 · triadic (120°)
- Pink Moiré 050 · triadic (240°)
At Sea vs popular colors
- Palladian Blue (Benjamin Moore HC-144, ΔE 5.9) is darker (LRV 60.4 vs 70.7), more yellow/warm, more red/pink, more muted.
- Gray Cashmere (Benjamin Moore 2138-60, ΔE 8.9) is darker (LRV 64.5 vs 70.7), more yellow/warm, more red/pink, more muted.
- Smoke (Benjamin Moore 2122-40, ΔE 9.2) is darker (LRV 56.4 vs 70.7), more blue/cool, more red/pink, more muted.