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Atmospheric SW 6505
On-screen approximation from the published RGB value. Order a physical sample before you decide.
Undertone: Noticeable blue-green undertone
In CIELAB, Atmospheric sits at L* 85.5, a* -6.8, b* -5.6. Its hue angle is 220° and its chroma is 8.8, so it leans blue-green clearly enough to notice on a full wall. It classifies as cool. Among Sherwin-Williams colors with a similar LRV (±5), it is warmer (more yellow) than 5%.
LRV 66.9: light
Light Reflectance Value runs from 0 (absolute black) to 100 (perfect white). At 66.9, Atmospheric is lighter than 81% of Sherwin-Williams colors. The most forgiving range for whole-house walls. Keeps rooms bright without glare.
Closest Benjamin Moore match to Atmospheric
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 | |
|---|---|---|---|---|
| Glacier Blue | 1653 | 1.37 | Very close | |
| Heaven on Earth | 1661 | 1.44 | Very close | |
| Ashwood Gray | 1654 | 1.85 | Very close |
Closest Behr match to Atmospheric
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 | |
|---|---|---|---|---|
| Rain Dance | S480-1 | 0.33 | Practically identical | |
| Air Blue | S460-1 | 1.52 | Very close | |
| Wind Speed | S450-2 | 1.66 | Very close |
Similar Sherwin-Williams colors
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Byte Blue | SW 6498 | 1.01 | Very close | |
| Balmy | SW 6512 | 1.72 | Very close | |
| Soar | SW 6799 | 1.77 | Very close | |
| Little Boy Blu | SW 9054 | 2.34 | Close — difference visible side by side | |
| Aviary Blue | SW 6778 | 2.53 | Close — difference visible side by side | |
| Open Air | SW 6491 | 2.62 | Close — difference visible side by side |
Lighter and darker versions
Colors from Sherwin-Williams with nearly the same hue and saturation, one step lighter or darker.
- Wishful Blue SW 6813 · lighter, LRV 71.8
- Aviary Blue SW 6778 · lighter, LRV 72.7
- Swimming SW 6764 · lighter, LRV 73.1
- Something Blue SW 6800 · darker, LRV 63.0
- North Star SW 6246 · darker, LRV 62.3
- Bewitching Blue SW 6960 · darker, LRV 61.4
Colors that go with Atmospheric
Sherwin-Williams's own coordinating colors for Atmospheric:
- They call it Mellow SW 9015
- African Gray SW 9162
- Sky High SW 6504
Color-theory pairings — the nearest Sherwin-Williams color to each rotated hue, keeping the same lightness and saturation:
- Innocence SW 6302 · complementary (180°)
- Meander Blue SW 6484 · analogous (−30°)
- Rhythmic Blue SW 6806 · analogous (+30°)
- Joyful Lilac SW 6972 · triadic (120°)
- Oat Milk SW 9501 · triadic (240°)
Atmospheric vs popular colors
- Smoke (Benjamin Moore 2122-40, ΔE 5.3) is darker (LRV 56.4 vs 66.9), more yellow/warm, more red/pink, more muted.
- Palladian Blue (Benjamin Moore HC-144, ΔE 7.0) is darker (LRV 60.4 vs 66.9), more yellow/warm.
- Gray Cashmere (Benjamin Moore 2138-60, ΔE 8.5) is darker (LRV 64.5 vs 66.9), more yellow/warm, more red/pink, more muted.