Comparison

Whipple Blue vs Bluebird Feather

Benjamin Moore HC-152 and Sherwin-Williams SW 9062, ΔE 2.76 apart

Benjamin Moore Whipple Blue HC-152 on a wall, hex #769EB0
Whipple Blue Benjamin Moore HC-152
Sherwin-Williams Bluebird Feather SW 9062 on a wall, hex #6F9DB3
Bluebird Feather Sherwin-Williams SW 9062
Zeytin’s verdict · ΔE 2.76Close cousins. Paint a sample of each before you choose.

Benjamin Moore Whipple Blue (HC-152) and Sherwin-Williams Bluebird Feather (SW 9062) measure a delta-E of 2.76 apart. Whipple Blue is 1.5 LRV points lighter, which is the difference you notice first. Bluebird Feather holds more color, chroma 19.1 against 16.5, so it grays out less in dim light. Close, but a large sample of each will show the gap, particularly against white trim. If you need the Bluebird Feather depth in Benjamin Moore's line, start from its LRV of 30.9 rather than matching by name.

Is Benjamin Moore Whipple Blue the same color as Sherwin-Williams Bluebird Feather?

Not quite, but close - Benjamin Moore Whipple Blue and Sherwin-Williams Bluebird Feather are delta-E 2.76 apart, close enough that most rooms would not show the difference.

What is the delta-E between Benjamin Moore Whipple Blue and Sherwin-Williams Bluebird Feather?

The measured color distance between Benjamin Moore Whipple Blue and Sherwin-Williams Bluebird Feather is delta-E 2.76.

Which is lighter, Benjamin Moore Whipple Blue or Sherwin-Williams Bluebird Feather?

Benjamin Moore Whipple Blue is lighter than Sherwin-Williams Bluebird Feather by 1.5 points of light reflectance (LRV).

CLOSEST PAIRΔE 2.76 Whipple Blue and Bluebird Feather
LIGHTESTWhipple Blue LRV 32.4
DARKESTBluebird Feather LRV 30.9
SPREAD1.5LRV points

Side by side

measured values
Whipple Blue Bluebird Feather
Brand Benjamin Moore Sherwin-Williams
Code HC-152 SW 9062
Hex #769EB0 #6F9DB3
Light reflectance 32.4 30.9
Undertone blue blue
Chroma 16.5 19.1
Hue angle 236.3° 239.0°
Color family teal teal

Each on its own

full detail