Ref. #3AA9AE · 6767
Aquarium
32%LRV Value
Cool (Blue)Undertone
Aquarium Technical Profile
What color is Aquarium? It's a medium cool blue with the hex code #3AA9AE. Colors similar to Aquarium include Behr Blue Square, Behr Aruba Blue, Benjamin Moore Palm Coast Teal. Aquarium has a cool (blue) undertone, which affects how it pairs with trim, flooring, and adjacent wall colors. Its LRV of 32 gives Aquarium 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 Aquarium
Closest digital match based on color values. Always verify with physical samples.
Recommended Pairings
Colors That Work With Aquarium
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Aquarium
#3AA9AE
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#6B8BB0
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Aquarium
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Aquarium 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 Sherwin-Williams Colors
Other Sherwin-Williams colors close to Aquarium.
More blue colors from other brands
Cross-brand colors in the blue family — useful when you want a similar look from a different brand.
Aquarium — Frequently Asked Questions
What undertone does Aquarium have?
Aquarium by Sherwin-Williams has a cool (blue) undertone and belongs to the blue color family.
What colors match Aquarium from other brands?
The closest matches are Blue Square by Behr (#46A5AA), Aruba Blue by Behr (#29ABB4), Palm Coast Teal by Benjamin Moore (#3BAAAA). Always verify with physical samples.
What is the LRV of Aquarium?
Aquarium has an LRV of 32.3, where 0 is pure black and 100 is pure white.
Explore More with Aquarium
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 Aquarium's cool (blue) undertone matters more than its surface color — and how to read undertones in any paint chip.