Comparison

Newborn Pink vs Summer Cosmos

Benjamin Moore 2078-60 and Vista Paint 1120, ΔE 1.39 apart

Benjamin Moore Newborn Pink 2078-60 on a wall, hex #F5D0E1
Newborn Pink Benjamin Moore 2078-60
Vista Paint Summer Cosmos 1120 on a wall, hex #F8D1E0
Summer Cosmos Vista Paint 1120
Zeytin’s verdict · ΔE 1.39Twins, almost. Only daylight on a big wall tells them apart.

Benjamin Moore Newborn Pink (2078-60) and Vista Paint Summer Cosmos (1120) measure a delta-E of 1.39 apart. Summer Cosmos is 2.7 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 16.1 and 16.2. The difference is measurable but subtle. It shows on a large wall in strong daylight and disappears under lamplight. If you need the Newborn Pink depth in Vista Paint's line, start from its LRV of 68.3 rather than matching by name.

Is Benjamin Moore Newborn Pink the same color as Vista Paint Summer Cosmos?

Not quite, but close - Benjamin Moore Newborn Pink and Vista Paint Summer Cosmos are delta-E 1.39 apart, close enough that most rooms would not show the difference.

What is the delta-E between Benjamin Moore Newborn Pink and Vista Paint Summer Cosmos?

The measured color distance between Benjamin Moore Newborn Pink and Vista Paint Summer Cosmos is delta-E 1.39.

Which is lighter, Benjamin Moore Newborn Pink or Vista Paint Summer Cosmos?

Vista Paint Summer Cosmos is lighter than Benjamin Moore Newborn Pink by 2.7 points of light reflectance (LRV).

CLOSEST PAIRΔE 1.39 Newborn Pink and Summer Cosmos
LIGHTESTSummer Cosmos LRV 71.0
DARKESTNewborn Pink LRV 68.3
SPREAD2.7LRV points

Side by side

measured values
Newborn Pink Summer Cosmos
Brand Benjamin Moore Vista Paint
Code 2078-60 1120
Hex #F5D0E1 #F8D1E0
Light reflectance 68.3 71.0
Undertone pink pink
Chroma 16.1 16.2
Hue angle 347.2° 351.9°
Color family pink pink

Each on its own

full detail