Perpetual Purple (Behr MQ5-42)
Illustrative room. Screen colors vary; test a sample before you paint.
Perpetual Purple (Behr MQ5-42) is a very deep, cool purple from Behr: LRV 8.7, so it reflects about 9 percent of the light that hits it.
Colors that go with Perpetual Purple
Three Behr colors picked for Perpetual Purple by this site's color math: a trim white, a quiet contrast from another family, a dark accent. Behr did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Perpetual Purple, 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 | Fully Purple | SW 6983 | 8 | 3.8 | noticeably different |
| Benjamin Moore | Dark Lilac | 2070-30 | 10.4 | 2.8 | noticeably different |
| Valspar | Sumptuous Purple | 4010-10 | 7 | 3.7 | noticeably different |
| PPG Paints | Imperial Purple | 1175-7 | 8 | 2.0 | very close |
Lighter and darker in Behr
The Behr purple colors nearest to Perpetual Purple (LRV 8.7 (estimated)) by LRV.
Lighter than Perpetual Purple
Darker than Perpetual Purple
Color data
| Brand | Behr |
|---|---|
| Color code | MQ5-42 |
| Hex | #584D75 |
| RGB | 88, 77, 117 |
| HSL | 257°, 21%, 38% |
| LRV (light reflectance value) | 8.7 (estimated from the hex) |
| Lab L*, a*, b* | 35.3, 13.9, -21.2 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Purple |
Same paint, two kinds of light
Perpetual Purple (Behr MQ5-42), published as #584D75
#464573
#695575
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Behr
More from Behr
Common questions
- What is the LRV of Perpetual Purple (Behr MQ5-42)?
- Perpetual Purple has an LRV of 8.7 (estimated from its hex value). LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Perpetual Purple is a very deep color.
- What is the closest match to Perpetual Purple in another brand?
- Imperial Purple (PPG 1175-7) from PPG Paints, at a deltaE of 2.0 (very close).
- Is Perpetual Purple warm or cool?
- Behr lists Perpetual Purple as cool, with a Cool Blue undertone. Its Lab b* value is -21.2; a higher b* is warmer and yellower, a lower one cooler and bluer.
Sources: hex as published by the manufacturer, via PaintDB (CC BY 4.0); LRV is not published by Behr for this color and is estimated here from the color's own hex value. 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.