Tropical Dusk (BM 2117-40)

Illustrative room. Screen colors vary; test a sample before you paint.
Tropical Dusk (BM 2117-40) is a deep, cool purple from Benjamin Moore: LRV 23.3, so it reflects about 23 percent of the light that hits it.
Colors that go with Tropical Dusk
Four Benjamin Moore colors picked for Tropical Dusk 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 Tropical Dusk, 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 | Mythical | SW 6550 | 20 | 3.0 | noticeably different |
| Behr | Solitaire | N560-5 | 19.9 | 2.6 | noticeably different |
| Valspar | Turbid Amethyst | 4002-4B | 20 | 2.3 | noticeably different |
| PPG Paints | Magic Dust | 13-24 | 21 | 4.4 | noticeably different |
Lighter and darker in Benjamin Moore
The Benjamin Moore purple colors nearest to Tropical Dusk (LRV 23.3) by LRV.
Lighter than Tropical Dusk
Darker than Tropical Dusk
Color data
| Brand | Benjamin Moore |
|---|---|
| Color code | 2117-40 |
| Hex | #857D8F |
| RGB | 133, 125, 143 |
| HSL | 267°, 7%, 53% |
| LRV (light reflectance value) | 23.3 |
| Lab L*, a*, b* | 53.6, 6.7, -8.6 |
| Undertone | Cool |
| Temperature | cool |
| Color family | Purple |
Same paint, two kinds of light
Tropical Dusk (BM 2117-40), published as #857D8F
#74748D
#96868F
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Benjamin Moore
More from Benjamin Moore
Common questions
- What is the LRV of Tropical Dusk (BM 2117-40)?
- Tropical Dusk has an LRV of 23.3. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Tropical Dusk is a deep color.
- What is the closest match to Tropical Dusk in another brand?
- Turbid Amethyst (Valspar 4002-4B) from Valspar, at a deltaE of 2.3 (noticeably different).
- Is Tropical Dusk warm or cool?
- Benjamin Moore lists Tropical Dusk as cool, with a Cool undertone. Its Lab b* value is -8.6; 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.