Comparison

Wind's Breath vs Oyster White

Benjamin Moore OC-24 and Sherwin-Williams SW 7637, ΔE 1.03 apart

Benjamin Moore Wind's Breath OC-24 on a wall, hex #DFDBCD
Wind's Breath Benjamin Moore OC-24
Sherwin-Williams Oyster White SW 7637 on a wall, hex #E2DDD0
Oyster White Sherwin-Williams SW 7637
Zeytin’s verdict · ΔE 1.03Twins, almost. Only daylight on a big wall tells them apart.

Benjamin Moore Wind's Breath (OC-24) and Sherwin-Williams Oyster White (SW 7637) measure a delta-E of 1.03 apart. Oyster White is 2.9 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 7.4 and 7. The undertones part company: Wind's Breath reads as a yellow undertone at hue angle 98.1 degrees, Oyster White as a yellow cast at 94.3. The difference is measurable but subtle. It shows on a large wall in strong daylight and disappears under lamplight. If you need the Wind's Breath depth in Sherwin-Williams's line, start from its LRV of 69.6 rather than matching by name.

Is Benjamin Moore Wind's Breath the same color as Sherwin-Williams Oyster White?

Not quite, but close - Benjamin Moore Wind's Breath and Sherwin-Williams Oyster White are delta-E 1.03 apart, close enough that most rooms would not show the difference.

What is the delta-E between Benjamin Moore Wind's Breath and Sherwin-Williams Oyster White?

The measured color distance between Benjamin Moore Wind's Breath and Sherwin-Williams Oyster White is delta-E 1.03.

Which is lighter, Benjamin Moore Wind's Breath or Sherwin-Williams Oyster White?

Sherwin-Williams Oyster White is lighter than Benjamin Moore Wind's Breath by 2.9 points of light reflectance (LRV).

CLOSEST PAIRΔE 1.03 Wind's Breath and Oyster White
LIGHTESTOyster White LRV 72.5
DARKESTWind's Breath LRV 69.6
SPREAD2.9LRV points

Side by side

measured values
Wind's Breath Oyster White
Brand Benjamin Moore Sherwin-Williams
Code OC-24 SW 7637
Hex #DFDBCD #E2DDD0
Light reflectance 69.6 72.5
Undertone yellow undertone yellow cast
Chroma 7.4 7.0
Hue angle 98.1° 94.3°
Color family tan tan

Each on its own

full detail