Cool Dusk 550F-4 is a blue paint color from Behr. It has a hex value of #73B3C0, estimated LRV 31 and a cool (blue) undertone. Its closest cross-brand match is Sea Serenade from Valspar (nearly identical), with 49 more equivalents across other brands.
Behr · #73B3C0 · 550F-4
Cool Dusk
31%Estimated LRV
Cool (Blue)Undertone
Cool Dusk Technical Profile
HEX Code#73B3C0
RGB115, 179, 192
Estimated LRV31.0
UndertoneCool (Blue)
Digital swatches and calculated matches are approximations. Catalog LRV values may be calculated estimates, not manufacturer measurements. Data and matching method. Check the brand reference and physical samples before purchase.
Color Familyblue
BrandBehr
Test it in your room
Place physical samples beside your flooring and trim. Check them in daylight and with your evening lights before buying paint.
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Compare alternatives to Cool Dusk
Digital candidates from other paint brands, ranked by color similarity. Always verify with a physical sample. How we calculate match accuracy →
Sea Serenade
Valspar
#75B3C2
Close digital match
Bayville Blue
Benjamin Moore
#72AFBC
Close digital match
Watson Lake
Dunn-Edwards
#74AEBA
Close digital match
Nautilus
Sherwin-Williams
#71B8C7
Close digital match
Serene Summit
Kilz
#68B2C4
Close digital match
Sailing Sea Blue
PPG
#76ADBC
Similar digital color
Wet Surfboard
Dutch Boy
#6BB7C1
Similar digital color
Turquoise Trick
Vista Paint
#7FB0B6
Similar digital color
Lobster
Farrow & Ball
#57A7B9
Similar digital color
Trisha's Eyes
Hirshfield's
#8EB9C4
Similar digital color
Pastel Turquoise
RAL
#7FB5B5
Visible digital difference
Dream .04
Colorhouse
#9CC7C4
Visible digital difference
Comparing these brands? Order peel-and-stick samples of your top matches — Samplize buy 8 peel-and-stick samples, get 2 free.
Generated palette previews
Colors That Work With Cool Dusk
These are generated digital colors, not named manufacturer paints. Use the palette tools to find paint candidates, then compare physical samples.
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Cool Dusk
#73B3C0
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#8291B0
Trim & Molding
Digital white
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Cool Dusk
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Cool Dusk 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 Cool Dusk.
More blue colors from other brands
Cross-brand colors in the blue family — useful when you want a similar look from a different brand.
Cool Dusk — Frequently Asked Questions
What undertone does Cool Dusk have?
Cool Dusk by Behr has a cool (blue) undertone and sits in the blue color family. This is a digital classification, not a prediction of physical paint under every light. Compare samples in your own space.
What colors match Cool Dusk from other brands?
The closest cross-brand equivalents to Cool Dusk are Sea Serenade by Valspar (a close digital match), Bayville Blue by Benjamin Moore (a close digital match), Watson Lake by Dunn-Edwards (a close digital match) — the best options for getting Cool Dusk's look from a brand your local store carries. Confirm with a physical sample, since sheen and lighting shift the final result.
What is the LRV of Cool Dusk?
Cool Dusk has a estimated lightness value of 31.0, on a scale where 0 is pure black and 100 is pure white — that makes it a mid-depth color with real presence — strong on accent walls, libraries, and rooms with good natural light.
Explore More with Cool Dusk
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 Cool Dusk's cool (blue) undertone matters more than its surface color — and how to read undertones in any paint chip.