Comparison

Prairie Dust vs Favorite Tan

PPG 1102-4 and Sherwin-Williams SW 6157, ΔE 2.6 apart

PPG Prairie Dust 1102-4 on a wall, hex #B9AB8F
Prairie Dust PPG 1102-4
Sherwin-Williams Favorite Tan SW 6157 on a wall, hex #C1AE91
Favorite Tan Sherwin-Williams SW 6157
Zeytin’s verdict · ΔE 2.6Close cousins. Paint a sample of each before you choose.

PPG Prairie Dust (1102-4) and Sherwin-Williams Favorite Tan (SW 6157) measure a delta-E of 2.6 apart. Favorite Tan is 3.8 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 16.3 and 17.5. Close, but a large sample of each will show the gap, particularly against white trim. If you need the Prairie Dust depth in Sherwin-Williams's line, start from its LRV of 40.0 rather than matching by name.

Is PPG Prairie Dust the same color as Sherwin-Williams Favorite Tan?

Not quite, but close - PPG Prairie Dust and Sherwin-Williams Favorite Tan are delta-E 2.6 apart, close enough that most rooms would not show the difference.

What is the delta-E between PPG Prairie Dust and Sherwin-Williams Favorite Tan?

The measured color distance between PPG Prairie Dust and Sherwin-Williams Favorite Tan is delta-E 2.6.

Which is lighter, PPG Prairie Dust or Sherwin-Williams Favorite Tan?

Sherwin-Williams Favorite Tan is lighter than PPG Prairie Dust by 3.8 points of light reflectance (LRV).

CLOSEST PAIRΔE 2.6 Prairie Dust and Favorite Tan
LIGHTESTFavorite Tan LRV 43.8
DARKESTPrairie Dust LRV 40.0
SPREAD3.8LRV points

Side by side

measured values
Prairie Dust Favorite Tan
Brand PPG Sherwin-Williams
Code 1102-4 SW 6157
Hex #B9AB8F #C1AE91
Light reflectance 40.0 43.8
Undertone yellow yellow
Chroma 16.3 17.5
Hue angle 88.3° 82.6°
Color family tan tan

Each on its own

full detail