Ref. #1F3438 · 5001
Green Blue
3%LRV Value
Cool (Blue)Undertone
Green Blue Technical Profile
What color is Green Blue? It's a dark cool blue with the hex code #1F3438. Colors similar to Green Blue include Sherwin-Williams Dark Night, Behr Night Shade. Green Blue has a cool (blue) undertone, which affects how it pairs with trim, flooring, and adjacent wall colors. With an LRV of 3, Green Blue creates a dramatic, enveloping mood — best on accent walls, dining rooms, and intimate spaces where atmosphere matters more than reflected light. Pair it with cool whites like Chantilly Lace, walnut or rift-cut oak floors, and brushed nickel or polished chrome hardware. Brass accents add warmth for a layered look. Blues stay crisp under 4000K+ cool LEDs. Under 2700K warm bulbs they can read grayer or shift slightly purple — particularly true for mid-tone and saturated blues.
Colors Similar to Green Blue
Closest digital match based on color values. Always verify with physical samples.
Dark Night
Sherwin-Williams
Very similar
Night Shade
Behr
Very similar
Esmerelda Green Met.
MPC
Very similar
Pacific Sea Teal
Benjamin Moore
Very similar
Atlantic Waves
Hirshfield's
Visible difference
Cape Royal
Vista Paint
Visible difference
Refined Green
Dunn-Edwards
Visible difference
Nourish .06
Colorhouse
Visible difference
Recommended Pairings
Colors That Work With Green Blue
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Green Blue
#1F3438
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#374153
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Green Blue
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Green Blue 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 RAL Colors
Other RAL colors close to Green Blue.
More blue colors from other brands
Cross-brand colors in the blue family — useful when you want a similar look from a different brand.
Green Blue — Frequently Asked Questions
What undertone does Green Blue have?
Green Blue by RAL has a cool (blue) undertone and belongs to the blue color family.
What colors match Green Blue from other brands?
The closest matches are Dark Night by Sherwin-Williams (#23383F), Night Shade by Behr (#243A41), Deep Space by Behr (#253136). Always verify with physical samples.
What is the LRV of Green Blue?
Green Blue has an LRV of 3.0, where 0 is pure black and 100 is pure white.
Explore More with Green Blue
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 Green Blue's cool (blue) undertone matters more than its surface color — and how to read undertones in any paint chip.