Ref. #81E5FB · 550B-4
Costa Rica Blue
45%LRV Value
Cool (Blue)Undertone
Costa Rica Blue Technical Profile
What color is Costa Rica Blue? It's a medium cool blue with the hex code #81E5FB. Costa Rica Blue has a cool (blue) undertone, which affects how it pairs with trim, flooring, and adjacent wall colors. Its LRV of 45 gives Costa Rica Blue depth without going dark, which makes it a strong choice for accent walls, libraries, and rooms with abundant natural 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 Costa Rica Blue
Closest digital match based on color values. Always verify with physical samples.
Quiet Pond
Hirshfield's
Visible difference
Plunging Waterfall
Dunn-Edwards
Visible difference
Ocean Park
Vista Paint
Visible difference
Glacier Gorge
Kilz
Visible difference
Rhythm and Blues
Benjamin Moore
Visible difference
Cloudless
Sherwin-Williams
Visible difference
Infinity Pool
Valspar
Visible difference
Ocean Cruise
PPG
Visible difference
Recommended Pairings
Colors That Work With Costa Rica Blue
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Costa Rica Blue
#81E5FB
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#6084D2
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Costa Rica Blue
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Costa Rica 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 Behr Colors
Other Behr colors close to Costa Rica 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.
Costa Rica Blue — Frequently Asked Questions
What undertone does Costa Rica Blue have?
Costa Rica Blue by Behr has a cool (blue) undertone and belongs to the blue color family.
What colors match Costa Rica Blue from other brands?
The closest matches are Quiet Pond by Hirshfield's (#94D8E2), Plunging Waterfall by Dunn-Edwards (#8CD4DF), Ocean Park by Vista Paint (#7CD0DE). Always verify with physical samples.
What is the LRV of Costa Rica Blue?
Costa Rica Blue has an LRV of 45.0, where 0 is pure black and 100 is pure white.
Explore More with Costa Rica 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 Costa Rica Blue's cool (blue) undertone matters more than its surface color — and how to read undertones in any paint chip.