Once Upon a Time (BM 574)

Illustrative room. Screen colors vary; test a sample before you paint.
Once Upon a Time (BM 574) is a deep, warm green from Benjamin Moore: LRV 21.2, so it reflects about 21 percent of the light that hits it.
Colors that go with Once Upon a Time
Four Benjamin Moore colors picked for Once Upon a Time by this site's color math: a trim white, a deeper green, 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 Once Upon a Time, 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 | Envy | SW 6925 | 20 | 3.7 | noticeably different |
| Behr | Paradise Of Greenery | P400-7 | 18.7 | 3.3 | noticeably different |
| Valspar | Luscious Green | 6010-7 | 18 | 2.6 | noticeably different |
| PPG Paints | Green Gloss | 1227-7 | 22 | 3.6 | noticeably different |
Lighter and darker in Benjamin Moore
The Benjamin Moore green colors nearest to Once Upon a Time (LRV 21.2) by LRV.
Lighter than Once Upon a Time
Darker than Once Upon a Time
Color data
| Brand | Benjamin Moore |
|---|---|
| Color code | 574 |
| Hex | #288F50 |
| RGB | 40, 143, 80 |
| HSL | 143°, 56%, 36% |
| LRV (light reflectance value) | 21.2 |
| Lab L*, a*, b* | 52.6, -43.8, 25.3 |
| Undertone | Warm Yellow |
| Temperature | warm |
| Color family | Green |
Same paint, two kinds of light
Once Upon a Time (BM 574), published as #288F50
#00854F
#41994F
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 Once Upon a Time (BM 574)?
- Once Upon a Time has an LRV of 21.2. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Once Upon a Time is a deep color.
- What is the closest match to Once Upon a Time in another brand?
- Luscious Green (Valspar 6010-7) from Valspar, at a deltaE of 2.6 (noticeably different).
- Is Once Upon a Time warm or cool?
- Benjamin Moore lists Once Upon a Time as warm, with a Warm Yellow undertone. Its Lab b* value is 25.3; 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.