Ref. #639D01 · 8001-29G
Plus Ultra
27%LRV Value
Cool (Green)Undertone
Plus Ultra Technical Profile
What color is Plus Ultra? It's a deep cool green with the hex code #639D01. Colors similar to Plus Ultra include Behr Sassy Grass, Behr Shamrock, Behr Sun Valley. Plus Ultra has a cool (green) undertone, which affects how it pairs with trim, flooring, and adjacent wall colors. Its LRV of 27 gives Plus Ultra depth without going dark, which makes it a strong choice for accent walls, libraries, and rooms with abundant natural 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 Plus Ultra
Closest digital match based on color values. Always verify with physical samples.
Recommended Pairings
Colors That Work With Plus Ultra
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Plus Ultra
#639D01
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#3AA62B
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Plus Ultra
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Plus Ultra 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
More green colors from other brands
Cross-brand colors in the green family — useful when you want a similar look from a different brand.
Plus Ultra — Frequently Asked Questions
What undertone does Plus Ultra have?
Plus Ultra by Valspar has a cool (green) undertone and belongs to the green color family.
What colors match Plus Ultra from other brands?
The closest matches are Sassy Grass by Behr (#67A200), Shamrock by Behr (#5CA111), Sun Valley by Behr (#559D00). Always verify with physical samples.
What is the LRV of Plus Ultra?
Plus Ultra has an LRV of 26.8, where 0 is pure black and 100 is pure white.
Explore More with Plus Ultra
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 Plus Ultra's cool (green) undertone matters more than its surface color — and how to read undertones in any paint chip.