Comparison

Cinco de Mayo vs May Fair

Benjamin Moore 1286 and Vista Paint 8078, ΔE 2.56 apart

Benjamin Moore Cinco de Mayo 1286 on a wall, hex #C36B6E
Cinco de Mayo Benjamin Moore 1286
Vista Paint May Fair 8078 on a wall, hex #C76E6D
May Fair Vista Paint 8078
Zeytin’s verdict · ΔE 2.56Close cousins. Paint a sample of each before you choose.

Benjamin Moore Cinco de Mayo (1286) and Vista Paint May Fair (8078) measure a delta-E of 2.56 apart. They sit within 0.3 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 37.9 and 38.6. Close, but a large sample of each will show the gap, particularly against white trim. If you need the Cinco de Mayo depth in Vista Paint's line, start from its LRV of 23.7 rather than matching by name.

Is Benjamin Moore Cinco de Mayo the same color as Vista Paint May Fair?

Not quite, but close - Benjamin Moore Cinco de Mayo and Vista Paint May Fair are delta-E 2.56 apart, close enough that most rooms would not show the difference.

What is the delta-E between Benjamin Moore Cinco de Mayo and Vista Paint May Fair?

The measured color distance between Benjamin Moore Cinco de Mayo and Vista Paint May Fair is delta-E 2.56.

CLOSEST PAIRΔE 2.56 Cinco de Mayo and May Fair
LIGHTESTMay Fair LRV 24.0
DARKESTCinco de Mayo LRV 23.7
SPREAD0.3LRV points

Side by side

measured values
Cinco de Mayo May Fair
Brand Benjamin Moore Vista Paint
Code 1286 8078
Hex #C36B6E #C76E6D
Light reflectance 23.7 24.0
Undertone red red
Chroma 37.9 38.6
Hue angle 21.7° 24.9°
Color family red red

Each on its own

full detail