Comparison

Sweet Butter vs Southern Exposure

Benjamin Moore 171 and Vista Paint 7904, ΔE 1.22 apart

Benjamin Moore Sweet Butter 171 on a wall, hex #FCDB94
Sweet Butter Benjamin Moore 171
Vista Paint Southern Exposure 7904 on a wall, hex #FFDE98
Southern Exposure Vista Paint 7904
Zeytin’s verdict · ΔE 1.22Twins, almost. Only daylight on a big wall tells them apart.

Benjamin Moore Sweet Butter (171) and Vista Paint Southern Exposure (7904) measure a delta-E of 1.22 apart. Southern Exposure is 3.4 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 39.2 and 38.6. The difference is measurable but subtle. It shows on a large wall in strong daylight and disappears under lamplight. If you need the Sweet Butter depth in Vista Paint's line, start from its LRV of 69.6 rather than matching by name.

Is Benjamin Moore Sweet Butter the same color as Vista Paint Southern Exposure?

Not quite, but close - Benjamin Moore Sweet Butter and Vista Paint Southern Exposure are delta-E 1.22 apart, close enough that most rooms would not show the difference.

What is the delta-E between Benjamin Moore Sweet Butter and Vista Paint Southern Exposure?

The measured color distance between Benjamin Moore Sweet Butter and Vista Paint Southern Exposure is delta-E 1.22.

Which is lighter, Benjamin Moore Sweet Butter or Vista Paint Southern Exposure?

Vista Paint Southern Exposure is lighter than Benjamin Moore Sweet Butter by 3.4 points of light reflectance (LRV).

CLOSEST PAIRΔE 1.22 Sweet Butter and Southern Exposure
LIGHTESTSouthern Exposure LRV 73.0
DARKESTSweet Butter LRV 69.6
SPREAD3.4LRV points

Side by side

measured values
Sweet Butter Southern Exposure
Brand Benjamin Moore Vista Paint
Code 171 7904
Hex #FCDB94 #FFDE98
Light reflectance 69.6 73.0
Undertone yellow yellow
Chroma 39.2 38.6
Hue angle 87.0° 86.8°
Color family orange orange

Each on its own

full detail