Comparison

Mt. Rushmore Rock vs Sticks & Stones

Benjamin Moore AC-39 and Sherwin-Williams SW 7503, ΔE 1.64 apart

Benjamin Moore Mt. Rushmore Rock AC-39 on a wall, hex #A99A8D
Mt. Rushmore Rock Benjamin Moore AC-39
Sherwin-Williams Sticks & Stones SW 7503 on a wall, hex #A49689
Sticks & Stones Sherwin-Williams SW 7503
Zeytin’s verdict · ΔE 1.64Twins, almost. Only daylight on a big wall tells them apart.

Benjamin Moore Mt. Rushmore Rock (AC-39) and Sherwin-Williams Sticks & Stones (SW 7503) measure a delta-E of 1.64 apart. Mt. Rushmore Rock is 1.8 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 9.4 and 9.2. The difference is measurable but subtle. It shows on a large wall in strong daylight and disappears under lamplight. If you need the Sticks & Stones depth in Benjamin Moore's line, start from its LRV of 31.5 rather than matching by name.

Is Benjamin Moore Mt. Rushmore Rock the same color as Sherwin-Williams Sticks & Stones?

Not quite, but close - Benjamin Moore Mt. Rushmore Rock and Sherwin-Williams Sticks & Stones are delta-E 1.64 apart, close enough that most rooms would not show the difference.

What is the delta-E between Benjamin Moore Mt. Rushmore Rock and Sherwin-Williams Sticks & Stones?

The measured color distance between Benjamin Moore Mt. Rushmore Rock and Sherwin-Williams Sticks & Stones is delta-E 1.64.

Which is lighter, Benjamin Moore Mt. Rushmore Rock or Sherwin-Williams Sticks & Stones?

Benjamin Moore Mt. Rushmore Rock is lighter than Sherwin-Williams Sticks & Stones by 1.8 points of light reflectance (LRV).

CLOSEST PAIRΔE 1.64 Mt. Rushmore Rock and Sticks & Stones
LIGHTESTMt. Rushmore Rock LRV 33.3
DARKESTSticks & Stones LRV 31.5
SPREAD1.8LRV points

Side by side

measured values
Mt. Rushmore Rock Sticks & Stones
Brand Benjamin Moore Sherwin-Williams
Code AC-39 SW 7503
Hex #A99A8D #A49689
Light reflectance 33.3 31.5
Undertone orange undertone orange undertone
Chroma 9.4 9.2
Hue angle 69.5° 71.4°
Color family tan tan

Each on its own

full detail