Comparison

Adirondack Blue vs Blustery Sky

Behr N480-5 and Sherwin-Williams SW 9140, ΔE 2.05 apart

Behr Adirondack Blue N480-5 on a wall, hex #74858F
Adirondack Blue Behr N480-5
Sherwin-Williams Blustery Sky SW 9140 on a wall, hex #6F848C
Blustery Sky Sherwin-Williams SW 9140
Zeytin’s verdict · ΔE 2.05Close cousins. Paint a sample of each before you choose.

Behr Adirondack Blue (N480-5) and Sherwin-Williams Blustery Sky (SW 9140) measure a delta-E of 2.05 apart. Adirondack Blue is 407.3 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 8.4 and 8.9. Close, but a large sample of each will show the gap, particularly against white trim. If you need the Blustery Sky depth in Behr's line, start from its LRV of 21.7 rather than matching by name.

Is Behr Adirondack Blue the same color as Sherwin-Williams Blustery Sky?

Not quite, but close - Behr Adirondack Blue and Sherwin-Williams Blustery Sky are delta-E 2.05 apart, close enough that most rooms would not show the difference.

What is the delta-E between Behr Adirondack Blue and Sherwin-Williams Blustery Sky?

The measured color distance between Behr Adirondack Blue and Sherwin-Williams Blustery Sky is delta-E 2.05.

Which is lighter, Behr Adirondack Blue or Sherwin-Williams Blustery Sky?

Behr Adirondack Blue is lighter than Sherwin-Williams Blustery Sky by 407.3 points of light reflectance (LRV).

CLOSEST PAIRΔE 2.05 Adirondack Blue and Blustery Sky
LIGHTESTAdirondack Blue LRV 429.0
DARKESTBlustery Sky LRV 21.7
SPREAD407.3LRV points

Side by side

measured values
Adirondack Blue Blustery Sky
Brand Behr Sherwin-Williams
Code N480-5 SW 9140
Hex #74858F #6F848C
Light reflectance 429.0 21.7
Undertone blue undertone blue undertone
Chroma 8.4 8.9
Hue angle 242.4° 230.1°
Color family teal teal

Each on its own

full detail