Comparison

Old Montreal vs Beach Party

Benjamin Moore CC-398 and Vista Paint 8777, ΔE 0.66 apart

Benjamin Moore Old Montreal CC-398 on a wall, hex #CAB9A8
Old Montreal Benjamin Moore CC-398
Vista Paint Beach Party 8777 on a wall, hex #CBB9A9
Beach Party Vista Paint 8777
Zeytin’s verdict · ΔE 0.66Same color. Buy the cheaper one.

Benjamin Moore Old Montreal (CC-398) and Vista Paint Beach Party (8777) measure a delta-E of 0.66 apart. Old Montreal is 1.5 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 11.3 and 11.1. The undertones part company: Old Montreal reads as a yellow undertone at hue angle 73.3 degrees, Beach Party as a orange undertone at 70.2. Side by side on a wall these are effectively the same color. Choose on price and availability rather than appearance. If you need the Beach Party depth in Benjamin Moore's line, start from its LRV of 48.0 rather than matching by name.

Is Benjamin Moore Old Montreal the same color as Vista Paint Beach Party?

Yes, by measurement - Benjamin Moore Old Montreal and Vista Paint Beach Party are only delta-E 0.66 apart, which is below what the human eye can reliably tell apart.

What is the delta-E between Benjamin Moore Old Montreal and Vista Paint Beach Party?

The measured color distance between Benjamin Moore Old Montreal and Vista Paint Beach Party is delta-E 0.66.

Which is lighter, Benjamin Moore Old Montreal or Vista Paint Beach Party?

Benjamin Moore Old Montreal is lighter than Vista Paint Beach Party by 1.5 points of light reflectance (LRV).

CLOSEST PAIRΔE 0.66 Old Montreal and Beach Party
LIGHTESTOld Montreal LRV 49.5
DARKESTBeach Party LRV 48.0
SPREAD1.5LRV points

Side by side

measured values
Old Montreal Beach Party
Brand Benjamin Moore Vista Paint
Code CC-398 8777
Hex #CAB9A8 #CBB9A9
Light reflectance 49.5 48.0
Undertone yellow undertone orange undertone
Chroma 11.3 11.1
Hue angle 73.3° 70.2°
Color family tan tan

Each on its own

full detail