Comparison

Sierra Ridge vs Cowhide

Benjamin Moore AC-11 and Vista Paint 0155, ΔE 2.6 apart

Benjamin Moore Sierra Ridge AC-11 on a wall, hex #CAA286
Sierra Ridge Benjamin Moore AC-11
Vista Paint Cowhide 0155 on a wall, hex #CCA88C
Cowhide Vista Paint 0155
Zeytin’s verdict · ΔE 2.6Close cousins. Paint a sample of each before you choose.

Benjamin Moore Sierra Ridge (AC-11) and Vista Paint Cowhide (0155) measure a delta-E of 2.6 apart. Cowhide is 5 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 22.9 and 21.4. Close, but a large sample of each will show the gap, particularly against white trim. If you need the Sierra Ridge depth in Vista Paint's line, start from its LRV of 39.0 rather than matching by name.

Is Benjamin Moore Sierra Ridge the same color as Vista Paint Cowhide?

Not quite, but close - Benjamin Moore Sierra Ridge and Vista Paint Cowhide are delta-E 2.6 apart, close enough that most rooms would not show the difference.

What is the delta-E between Benjamin Moore Sierra Ridge and Vista Paint Cowhide?

The measured color distance between Benjamin Moore Sierra Ridge and Vista Paint Cowhide is delta-E 2.6.

Which is lighter, Benjamin Moore Sierra Ridge or Vista Paint Cowhide?

Vista Paint Cowhide is lighter than Benjamin Moore Sierra Ridge by 5 points of light reflectance (LRV).

CLOSEST PAIRΔE 2.6 Sierra Ridge and Cowhide
LIGHTESTCowhide LRV 44.0
DARKESTSierra Ridge LRV 39.0
SPREAD5LRV points

Side by side

measured values
Sierra Ridge Cowhide
Brand Benjamin Moore Vista Paint
Code AC-11 0155
Hex #CAA286 #CCA88C
Light reflectance 39.0 44.0
Undertone orange orange
Chroma 22.9 21.4
Hue angle 61.8° 64.9°
Color family tan tan

Each on its own

full detail