Comparison

Swept Away vs Slow Green

Benjamin Moore 701 and Sherwin-Williams SW 6456, ΔE 1.64 apart

Benjamin Moore Swept Away 701 on a wall, hex #C7D6CD
Swept Away Benjamin Moore 701
Sherwin-Williams Slow Green SW 6456 on a wall, hex #C6D5C9
Slow Green Sherwin-Williams SW 6456
Zeytin’s verdict · ΔE 1.64Twins, almost. Only daylight on a big wall tells them apart.

Benjamin Moore Swept Away (701) and Sherwin-Williams Slow Green (SW 6456) measure a delta-E of 1.64 apart. They sit within 1.1 LRV points of each other, so neither will look brighter than the other on the same wall. Both carry a similar amount of color, at chroma 7.2 and 8.4. The difference is measurable but subtle. It shows on a large wall in strong daylight and disappears under lamplight. If you need the Swept Away depth in Sherwin-Williams's line, start from its LRV of 62.9 rather than matching by name.

Is Benjamin Moore Swept Away the same color as Sherwin-Williams Slow Green?

Not quite, but close - Benjamin Moore Swept Away and Sherwin-Williams Slow Green are delta-E 1.64 apart, close enough that most rooms would not show the difference.

What is the delta-E between Benjamin Moore Swept Away and Sherwin-Williams Slow Green?

The measured color distance between Benjamin Moore Swept Away and Sherwin-Williams Slow Green is delta-E 1.64.

Which is lighter, Benjamin Moore Swept Away or Sherwin-Williams Slow Green?

Sherwin-Williams Slow Green is lighter than Benjamin Moore Swept Away by 1.1 points of light reflectance (LRV).

CLOSEST PAIRΔE 1.64 Swept Away and Slow Green
LIGHTESTSlow Green LRV 64.0
DARKESTSwept Away LRV 62.9
SPREAD1.1LRV points

Side by side

measured values
Swept Away Slow Green
Brand Benjamin Moore Sherwin-Williams
Code 701 SW 6456
Hex #C7D6CD #C6D5C9
Light reflectance 62.9 64.0
Undertone green undertone green undertone
Chroma 7.2 8.4
Hue angle 158.1° 150.1°
Color family green green

Each on its own

full detail