Ref. #299051 · 574
Once Upon a Time
21%LRV Value
Cool (Green)Undertone
Once Upon a Time Technical Profile
What color is Once Upon a Time? It's a deep cool green with the hex code #299051. Colors similar to Once Upon a Time include Dunn-Edwards Shamrock Field, MPC Green Vireo, Behr Mermaid Harbor. Once Upon a Time has a cool (green) undertone, which affects how it pairs with trim, flooring, and adjacent wall colors. With an LRV of 21, Once Upon a Time creates a dramatic, enveloping mood — best on accent walls, dining rooms, and intimate spaces where atmosphere matters more than reflected light. Pair it with off-whites like Simply White, walnut or rift-cut oak floors, and mixed metals — brass for warmth, matte black for grounding. Terracotta and rust accents add warm contrast. Greens shift the most under different light. 2700K warms them toward olive or yellow-green; 4000K daylight reveals their true tone. Bluer greens especially benefit from north-facing daylight.
Colors Similar to Once Upon a Time
Closest digital match based on color values. Always verify with physical samples.
Recommended Pairings
Colors That Work With Once Upon a Time
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Once Upon a Time
#299051
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#4F9D95
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Once Upon a Time
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Once Upon a Time Room Palettes
Color schemes built around this color — each swatch links to the closest matching paint.
Warm & Inviting
Warm tones with cozy appeal — welcoming and comfortable
Cool & Calm
Cool hues with soft contrast — serene and restful
Bold Contrast
Complementary hues with punch — dynamic and striking
Similar Benjamin Moore Colors
Other Benjamin Moore colors close to Once Upon a Time.
More green colors from other brands
Cross-brand colors in the green family — useful when you want a similar look from a different brand.
Once Upon a Time — Frequently Asked Questions
What undertone does Once Upon a Time have?
Once Upon a Time by Benjamin Moore has a cool (green) undertone and belongs to the green color family.
What colors match Once Upon a Time from other brands?
The closest matches are Shamrock Field by Dunn-Edwards (#358D52), Green Vireo by MPC (#278D56), Mermaid Harbor by Behr (#1B915A). Always verify with physical samples.
What is the LRV of Once Upon a Time?
Once Upon a Time has an LRV of 21.0, where 0 is pure black and 100 is pure white.
Explore More with Once Upon a Time
Related Reading
How to Match Paint Colors Across Brands
The science behind Delta E and CIEDE2000 — find a Behr equivalent of any Sherwin-Williams shade, or a Benjamin Moore alternative when your store is out of stock.
Understanding Paint Color Undertones
Why Once Upon a Time's cool (green) undertone matters more than its surface color — and how to read undertones in any paint chip.