Comparison

Cosmopolitan vs Phelps Putty

Benjamin Moore CSP-100 and Vista Paint H0109, ΔE 1.17 apart

Benjamin Moore Cosmopolitan CSP-100 on a wall, hex #BBB6A9
Cosmopolitan Benjamin Moore CSP-100
Vista Paint Phelps Putty H0109 on a wall, hex #BFB8AB
Phelps Putty Vista Paint H0109
Zeytin’s verdict · ΔE 1.17Twins, almost. Only daylight on a big wall tells them apart.

Benjamin Moore Cosmopolitan (CSP-100) and Vista Paint Phelps Putty (H0109) measure a delta-E of 1.17 apart. Phelps Putty is 2.5 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 7.2 and 7.5. The difference is measurable but subtle. It shows on a large wall in strong daylight and disappears under lamplight. If you need the Cosmopolitan depth in Vista Paint's line, start from its LRV of 46.5 rather than matching by name.

Is Benjamin Moore Cosmopolitan the same color as Vista Paint Phelps Putty?

Not quite, but close - Benjamin Moore Cosmopolitan and Vista Paint Phelps Putty are delta-E 1.17 apart, close enough that most rooms would not show the difference.

What is the delta-E between Benjamin Moore Cosmopolitan and Vista Paint Phelps Putty?

The measured color distance between Benjamin Moore Cosmopolitan and Vista Paint Phelps Putty is delta-E 1.17.

Which is lighter, Benjamin Moore Cosmopolitan or Vista Paint Phelps Putty?

Vista Paint Phelps Putty is lighter than Benjamin Moore Cosmopolitan by 2.5 points of light reflectance (LRV).

CLOSEST PAIRΔE 1.17 Cosmopolitan and Phelps Putty
LIGHTESTPhelps Putty LRV 49.0
DARKESTCosmopolitan LRV 46.5
SPREAD2.5LRV points

Side by side

measured values
Cosmopolitan Phelps Putty
Brand Benjamin Moore Vista Paint
Code CSP-100 H0109
Hex #BBB6A9 #BFB8AB
Light reflectance 46.5 49.0
Undertone yellow undertone yellow undertone
Chroma 7.2 7.5
Hue angle 94.1° 88.4°
Color family tan tan

Each on its own

full detail