Comparison

Carolina Gull vs Dowager

Benjamin Moore 2138-40 and Vista Paint 0442, ΔE 1.52 apart

Benjamin Moore Carolina Gull 2138-40 on a wall, hex #858D81
Carolina Gull Benjamin Moore 2138-40
Vista Paint Dowager 0442 on a wall, hex #888F85
Dowager Vista Paint 0442
Zeytin’s verdict · ΔE 1.52Twins, almost. Only daylight on a big wall tells them apart.

Benjamin Moore Carolina Gull (2138-40) and Vista Paint Dowager (0442) measure a delta-E of 1.52 apart. They sit within 0.4 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 7.5 and 6.3. The undertones part company: Carolina Gull reads as a yellow-green undertone at hue angle 134.4 degrees, Dowager as a yellow-green cast at 135.5. The difference is measurable but subtle. It shows on a large wall in strong daylight and disappears under lamplight. If you need the Dowager depth in Benjamin Moore's line, start from its LRV of 27.0 rather than matching by name.

Is Benjamin Moore Carolina Gull the same color as Vista Paint Dowager?

Not quite, but close - Benjamin Moore Carolina Gull and Vista Paint Dowager are delta-E 1.52 apart, close enough that most rooms would not show the difference.

What is the delta-E between Benjamin Moore Carolina Gull and Vista Paint Dowager?

The measured color distance between Benjamin Moore Carolina Gull and Vista Paint Dowager is delta-E 1.52.

CLOSEST PAIRΔE 1.52 Carolina Gull and Dowager
LIGHTESTCarolina Gull LRV 27.4
DARKESTDowager LRV 27.0
SPREAD0.4LRV points

Side by side

measured values
Carolina Gull Dowager
Brand Benjamin Moore Vista Paint
Code 2138-40 0442
Hex #858D81 #888F85
Light reflectance 27.4 27.0
Undertone yellow-green undertone yellow-green cast
Chroma 7.5 6.3
Hue angle 134.4° 135.5°
Color family green gray

Each on its own

full detail