Comparison

Stormy Sky vs Polished Pewter

Benjamin Moore 1616 and Vista Paint H0148, ΔE 1.44 apart

Benjamin Moore Stormy Sky 1616 on a wall, hex #626568
Stormy Sky Benjamin Moore 1616
Vista Paint Polished Pewter H0148 on a wall, hex #63686A
Polished Pewter Vista Paint H0148
Zeytin’s verdict · ΔE 1.44Twins, almost. Only daylight on a big wall tells them apart.

Benjamin Moore Stormy Sky (1616) and Vista Paint Polished Pewter (H0148) measure a delta-E of 1.44 apart. They sit within 0.2 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 2.2 and 2.3. The difference is measurable but subtle. It shows on a large wall in strong daylight and disappears under lamplight. If you need the Stormy Sky depth in Vista Paint's line, start from its LRV of 13.8 rather than matching by name.

Is Benjamin Moore Stormy Sky the same color as Vista Paint Polished Pewter?

Not quite, but close - Benjamin Moore Stormy Sky and Vista Paint Polished Pewter are delta-E 1.44 apart, close enough that most rooms would not show the difference.

What is the delta-E between Benjamin Moore Stormy Sky and Vista Paint Polished Pewter?

The measured color distance between Benjamin Moore Stormy Sky and Vista Paint Polished Pewter is delta-E 1.44.

CLOSEST PAIRΔE 1.44 Stormy Sky and Polished Pewter
LIGHTESTPolished Pewter LRV 14.0
DARKESTStormy Sky LRV 13.8
SPREAD0.2LRV points

Side by side

measured values
Stormy Sky Polished Pewter
Brand Benjamin Moore Vista Paint
Code 1616 H0148
Hex #626568 #63686A
Light reflectance 13.8 14.0
Undertone true neutral true neutral
Chroma 2.2 2.3
Hue angle 256.1° 230.3°
Color family gray gray

Each on its own

full detail