Tropical Dusk (BM 2117-40)

Tropical Dusk BM 2117-40#857D8F, LRV 23.3
Living room with walls painted Benjamin Moore Tropical Dusk 2117-40 (simulated)
Living room, walls in Tropical Dusk

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.

BrandClosest colorCodeLRVdeltaEHow close
Sherwin-WilliamsMythicalSW 6550203.0noticeably different
BehrSolitaireN560-519.92.6noticeably different
ValsparTurbid Amethyst4002-4B202.3noticeably different
PPG PaintsMagic Dust13-24214.4noticeably different

Lighter and darker in Benjamin Moore

Color data

BrandBenjamin Moore
Color code2117-40
Hex#857D8F
RGB133, 125, 143
HSL267°, 7%, 53%
LRV (light reflectance value)23.3
Lab L*, a*, b*53.6, 6.7, -8.6
UndertoneCool
Temperaturecool
Color familyPurple

Same paint, two kinds of light

Tropical Dusk (BM 2117-40), published as #857D8F

North light (cool, indirect)
#74748D
South light (warm, direct)
#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.

Published . Updated .