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Nautilus SW 6780
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, Nautilus sits at L* 70.8, a* -18.4, b* -14.6. Its hue angle is 218° and its chroma is 23.4, 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 5%.
LRV 41.8: mid-tone
Light Reflectance Value runs from 0 (absolute black) to 100 (perfect white). At 41.8, Nautilus is lighter than 53% 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 Nautilus
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 | |
|---|---|---|---|---|
| Seaside Blue | 2054-50 | 2.67 | Close — difference visible side by side | |
| Madison Avenue | 759 | 2.70 | Close — difference visible side by side | |
| Bayville Blue | 747 | 2.92 | Close — difference visible side by side |
Closest Behr match to Nautilus
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 | |
|---|---|---|---|---|
| Riverside Blue | 530D-5 | 1.17 | Very close | |
| Azure Lake | M470-4 | 1.47 | Very close | |
| Below Zero | M480-4 | 2.65 | Close — difference visible side by side |
Similar Sherwin-Williams colors
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Surfin' | SW 9048 | 2.31 | Close — difference visible side by side | |
| Rapture Blue | SW 6773 | 3.08 | Close — difference visible side by side | |
| Fountain | SW 6787 | 3.09 | Close — difference visible side by side | |
| Ebbtide | SW 6493 | 3.74 | Close — difference visible side by side | |
| After the Rain | SW 9047 | 4.28 | Similar, clearly different | |
| Open Seas | SW 6500 | 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.
- Mariner SW 6766 · lighter, LRV 45.7
- Surfin' SW 9048 · lighter, LRV 46.2
- Rapture Blue SW 6773 · lighter, LRV 46.8
- Reflecting Pool SW 6486 · darker, LRV 38.8
- Freshwater SW 6774 · darker, LRV 32.0
- Bluebird Feather SW 9062 · darker, LRV 30.9
Colors that go with Nautilus
Sherwin-Williams's own coordinating colors for Nautilus:
- Greek Villa SW 7551
- Cityscape SW 7067
- Sky High SW 6504
Color-theory pairings — the nearest Sherwin-Williams color to each rotated hue, keeping the same lightness and saturation:
- Rosettee SW 7581 · complementary (180°)
- Cooled Blue SW 6759 · analogous (−30°)
- Regale Blue SW 6801 · analogous (+30°)
- Prominent Pink SW 6846 · triadic (120°)
- Earthy Ochre SW 9532 · triadic (240°)
Nautilus vs popular colors
- Smoke (Benjamin Moore 2122-40, ΔE 14.3) is lighter (LRV 56.4 vs 41.8), more yellow/warm, more red/pink, more muted.
- Aegean Teal (Benjamin Moore 2136-40, ΔE 15.9) is darker (LRV 25.1 vs 41.8), more yellow/warm, more red/pink, more muted.
- Palladian Blue (Benjamin Moore HC-144, ΔE 16.4) is lighter (LRV 60.4 vs 41.8), more yellow/warm, more red/pink, more muted.