Comparison

Westcott Navy vs Midnight Magic

Benjamin Moore 1624 and Vista Paint 0508, ΔE 1.79 apart

Benjamin Moore Westcott Navy 1624 on a wall, hex #4E5357
Westcott Navy Benjamin Moore 1624
Vista Paint Midnight Magic 0508 on a wall, hex #525356
Midnight Magic Vista Paint 0508
Zeytin’s verdict · ΔE 1.79Twins, almost. Only daylight on a big wall tells them apart.

Benjamin Moore Westcott Navy (1624) and Vista Paint Midnight Magic (0508) measure a delta-E of 1.79 apart. They sit within 0.9 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 3.2 and 1.9. The undertones part company: Westcott Navy reads as a blue cast at hue angle 250.4 degrees, Midnight Magic as a true neutral at 277.8. The difference is measurable but subtle. It shows on a large wall in strong daylight and disappears under lamplight. If you need the Midnight Magic depth in Benjamin Moore's line, start from its LRV of 9.0 rather than matching by name.

Is Benjamin Moore Westcott Navy the same color as Vista Paint Midnight Magic?

Not quite, but close - Benjamin Moore Westcott Navy and Vista Paint Midnight Magic are delta-E 1.79 apart, close enough that most rooms would not show the difference.

What is the delta-E between Benjamin Moore Westcott Navy and Vista Paint Midnight Magic?

The measured color distance between Benjamin Moore Westcott Navy and Vista Paint Midnight Magic is delta-E 1.79.

CLOSEST PAIRΔE 1.79 Westcott Navy and Midnight Magic
LIGHTESTWestcott Navy LRV 9.9
DARKESTMidnight Magic LRV 9.0
SPREAD0.9LRV points

Side by side

measured values
Westcott Navy Midnight Magic
Brand Benjamin Moore Vista Paint
Code 1624 0508
Hex #4E5357 #525356
Light reflectance 9.9 9.0
Undertone blue cast true neutral
Chroma 3.2 1.9
Hue angle 250.4° 277.8°
Color family black black

Each on its own

full detail