Comparison

Gettysburg Gray vs Honed Soapstone

Benjamin Moore HC-107 and Sherwin-Williams SW 9126, ΔE 1.11 apart

Benjamin Moore Gettysburg Gray HC-107 on a wall, hex #9A9684
Gettysburg Gray Benjamin Moore HC-107
Sherwin-Williams Honed Soapstone SW 9126 on a wall, hex #9D9887
Honed Soapstone Sherwin-Williams SW 9126
Zeytin’s verdict · ΔE 1.11Twins, almost. Only daylight on a big wall tells them apart.

Benjamin Moore Gettysburg Gray (HC-107) and Sherwin-Williams Honed Soapstone (SW 9126) measure a delta-E of 1.11 apart. They sit within 1.4 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 10.2 and 9.7. The difference is measurable but subtle. It shows on a large wall in strong daylight and disappears under lamplight. If you need the Gettysburg Gray depth in Sherwin-Williams's line, start from its LRV of 29.9 rather than matching by name.

Is Benjamin Moore Gettysburg Gray the same color as Sherwin-Williams Honed Soapstone?

Not quite, but close - Benjamin Moore Gettysburg Gray and Sherwin-Williams Honed Soapstone are delta-E 1.11 apart, close enough that most rooms would not show the difference.

What is the delta-E between Benjamin Moore Gettysburg Gray and Sherwin-Williams Honed Soapstone?

The measured color distance between Benjamin Moore Gettysburg Gray and Sherwin-Williams Honed Soapstone is delta-E 1.11.

Which is lighter, Benjamin Moore Gettysburg Gray or Sherwin-Williams Honed Soapstone?

Sherwin-Williams Honed Soapstone is lighter than Benjamin Moore Gettysburg Gray by 1.4 points of light reflectance (LRV).

CLOSEST PAIRΔE 1.11 Gettysburg Gray and Honed Soapstone
LIGHTESTHoned Soapstone LRV 31.3
DARKESTGettysburg Gray LRV 29.9
SPREAD1.4LRV points

Side by side

measured values
Gettysburg Gray Honed Soapstone
Brand Benjamin Moore Sherwin-Williams
Code HC-107 SW 9126
Hex #9A9684 #9D9887
Light reflectance 29.9 31.3
Undertone yellow undertone yellow undertone
Chroma 10.2 9.7
Hue angle 99.9° 97.1°
Color family tan tan

Each on its own

full detail