Nightfall Sky (BM CC-38)
Illustrative room. Screen colors vary; test a sample before you paint.
Nightfall Sky (BM CC-38) is a very deep, cool purple from Benjamin Moore: LRV 15.5, so it reflects about 15 percent of the light that hits it.
Colors that go with Nightfall Sky
Four Benjamin Moore colors picked for Nightfall Sky by this site's color math: a trim white, a deeper purple, a quiet contrast from another family, a dark accent. Benjamin Moore did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Nightfall Sky, ranked by CIEDE2000 (deltaE): under 1.0 is indistinguishable, 1.0 to 2.3 very close, 2.3 to 5 noticeably different, over 5 clearly different.
| Brand | Closest color | Code | LRV | deltaE | How close |
|---|---|---|---|---|---|
| Sherwin-Williams | Purple Passage | SW 6551 | 12 | 4.0 | noticeably different |
| Behr | Iris Petal | ICC-109 | 13.1 | 1.6 | very close |
| Valspar | Boysenberry Jam | 4002-4C | 12 | 4.2 | noticeably different |
| PPG Paints | Silverado | 1172-6 | 13 | 3.0 | noticeably different |
Lighter and darker in Benjamin Moore
The Benjamin Moore purple colors nearest to Nightfall Sky (LRV 15.5) by LRV.
Lighter than Nightfall Sky
Darker than Nightfall Sky
Color data
| Brand | Benjamin Moore |
|---|---|
| Color code | CC-38 |
| Hex | #6F6578 |
| RGB | 111, 101, 120 |
| HSL | 272°, 9%, 43% |
| LRV (light reflectance value) | 15.5 |
| Lab L*, a*, b* | 44.3, 7.9, -9.2 |
| Undertone | Cool |
| Temperature | cool |
| Color family | Purple |
Same paint, two kinds of light
Nightfall Sky (BM CC-38), published as #6F6578
#5F5C76
#806E78
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Benjamin Moore
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Common questions
- What is the LRV of Nightfall Sky (BM CC-38)?
- Nightfall Sky has an LRV of 15.5. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Nightfall Sky is a very deep color.
- What is the closest match to Nightfall Sky in another brand?
- Iris Petal (Behr ICC-109) from Behr, at a deltaE of 1.6 (very close).
- Is Nightfall Sky warm or cool?
- Benjamin Moore lists Nightfall Sky as cool, with a Cool undertone. Its Lab b* value is -9.2; a higher b* is warmer and yellower, a lower one cooler and bluer.
Sources: LRV and hex as published by the manufacturer, via PaintDB (CC BY 4.0). Color differences are CIEDE2000 values computed by this site from the hex values (data snapshot 2026-10-01). Color names and codes belong to their manufacturers.