Comparison

Maid of the Mist vs Rain Mist

Benjamin Moore CC-728 and Vista Paint 8370, ΔE 1.85 apart

Benjamin Moore Maid of the Mist CC-728 on a wall, hex #BBC6B7
Maid of the Mist Benjamin Moore CC-728
Vista Paint Rain Mist 8370 on a wall, hex #C0C9BC
Rain Mist Vista Paint 8370
Zeytin’s verdict · ΔE 1.85Twins, almost. Only daylight on a big wall tells them apart.

Benjamin Moore Maid of the Mist (CC-728) and Vista Paint Rain Mist (8370) measure a delta-E of 1.85 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 9 and 7.7. The difference is measurable but subtle. It shows on a large wall in strong daylight and disappears under lamplight. If you need the Maid of the Mist depth in Vista Paint's line, start from its LRV of 53.8 rather than matching by name.

Is Benjamin Moore Maid of the Mist the same color as Vista Paint Rain Mist?

Not quite, but close - Benjamin Moore Maid of the Mist and Vista Paint Rain Mist are delta-E 1.85 apart, close enough that most rooms would not show the difference.

What is the delta-E between Benjamin Moore Maid of the Mist and Vista Paint Rain Mist?

The measured color distance between Benjamin Moore Maid of the Mist and Vista Paint Rain Mist is delta-E 1.85.

CLOSEST PAIRΔE 1.85 Maid of the Mist and Rain Mist
LIGHTESTRain Mist LRV 54.0
DARKESTMaid of the Mist LRV 53.8
SPREAD0.2LRV points

Side by side

measured values
Maid of the Mist Rain Mist
Brand Benjamin Moore Vista Paint
Code CC-728 8370
Hex #BBC6B7 #C0C9BC
Light reflectance 53.8 54.0
Undertone yellow-green undertone yellow-green undertone
Chroma 9.0 7.7
Hue angle 136.5° 135.2°
Color family green green

Each on its own

full detail