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Open Seas SW 6500
On-screen approximation from the published RGB value. Order a physical sample before you decide.
Undertone: Saturated blue-green (a color, not a neutral)
In CIELAB, Open Seas sits at L* 68.8, a* -11.6, b* -11.4. Its hue angle is 225° and its chroma is 16.2, so it reads as an outright blue-green rather than a neutral. It classifies as cool. Among Sherwin-Williams colors with a similar LRV (±5), it is warmer (more yellow) than 6%.
LRV 39.1: mid-tone
Light Reflectance Value runs from 0 (absolute black) to 100 (perfect white). At 39.1, Open Seas is lighter than 49% of Sherwin-Williams 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 Benjamin Moore match to Open Seas
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 | |
|---|---|---|---|---|
| Bayville Blue | 747 | 3.58 | Close — difference visible side by side | |
| Saratoga Springs | 1669 | 3.61 | Close — difference visible side by side | |
| Aspen Skies | 1656 | 3.79 | Close — difference visible side by side |
Closest Behr match to Open Seas
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 | |
|---|---|---|---|---|
| Porcelain Blue | PMD-83 | 0.83 | Practically identical | |
| Atmosphere | QE-51 | 2.29 | Close — difference visible side by side | |
| Crashing Waves | S450-4 | 2.33 | Close — difference visible side by side |
Similar Sherwin-Williams colors
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Ebbtide | SW 6493 | 2.24 | Close — difference visible side by side | |
| Aquitaine | SW 9057 | 2.31 | Close — difference visible side by side | |
| Adrift | SW 7608 | 2.99 | Close — difference visible side by side | |
| Resolute Blue | SW 6507 | 3.11 | Close — difference visible side by side | |
| Powder Blue | SW 2863 | 4.80 | Similar, clearly different | |
| Nautilus | SW 6780 | 4.96 | Similar, clearly different |
Lighter and darker versions
Colors from Sherwin-Williams with nearly the same hue and saturation, one step lighter or darker.
- Respite SW 6514 · lighter, LRV 43.1
- Dockside Blue SW 7601 · lighter, LRV 43.1
- Faded Flaxflower SW 9146 · lighter, LRV 43.6
- Powder Blue SW 2863 · darker, LRV 34.8
- Favorite Jeans SW 9147 · darker, LRV 34.6
- Baby Blue Eyes SW 9070 · darker, LRV 33.9
Colors that go with Open Seas
Sherwin-Williams's own coordinating colors for Open Seas:
- Dover White SW 6385
- Sunbeam Yellow SW 0078
- Blue Horizon SW 6497
Color-theory pairings — the nearest Sherwin-Williams color to each rotated hue, keeping the same lightness and saturation:
- Cabbage Rose SW 0003 · complementary (180°)
- Reflecting Pool SW 6486 · analogous (−30°)
- Cosmos SW 6528 · analogous (+30°)
- Damsel SW 7576 · triadic (120°)
- Sage SW 2860 · triadic (240°)
Open Seas vs popular colors
- Smoke (Benjamin Moore 2122-40, ΔE 11.8) is lighter (LRV 56.4 vs 39.1), more yellow/warm, more red/pink, more muted.
- Aegean Teal (Benjamin Moore 2136-40, ΔE 12.8) is darker (LRV 25.1 vs 39.1), more yellow/warm, more red/pink, more muted.
- Oyster Bay (Sherwin-Williams SW 6206, ΔE 14.8) is lighter (LRV 44.1 vs 39.1), more yellow/warm, more red/pink, more muted.