Comparison

Soft Jazz vs John's Blue

Benjamin Moore 809 and Vista Paint 0617, ΔE 2.32 apart

Benjamin Moore Soft Jazz 809 on a wall, hex #81A5C0
Soft Jazz Benjamin Moore 809
Vista Paint John's Blue 0617 on a wall, hex #87A4C0
John's Blue Vista Paint 0617
Zeytin’s verdict · ΔE 2.32Close cousins. Paint a sample of each before you choose.

Benjamin Moore Soft Jazz (809) and Vista Paint John's Blue (0617) measure a delta-E of 2.32 apart. They sit within 1.1 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 18.7 and 18. Close, but a large sample of each will show the gap, particularly against white trim. If you need the John's Blue depth in Benjamin Moore's line, start from its LRV of 36.0 rather than matching by name.

Is Benjamin Moore Soft Jazz the same color as Vista Paint John's Blue?

Not quite, but close - Benjamin Moore Soft Jazz and Vista Paint John's Blue are delta-E 2.32 apart, close enough that most rooms would not show the difference.

What is the delta-E between Benjamin Moore Soft Jazz and Vista Paint John's Blue?

The measured color distance between Benjamin Moore Soft Jazz and Vista Paint John's Blue is delta-E 2.32.

Which is lighter, Benjamin Moore Soft Jazz or Vista Paint John's Blue?

Benjamin Moore Soft Jazz is lighter than Vista Paint John's Blue by 1.1 points of light reflectance (LRV).

CLOSEST PAIRΔE 2.32 Soft Jazz and John's Blue
LIGHTESTSoft Jazz LRV 37.1
DARKESTJohn's Blue LRV 36.0
SPREAD1.1LRV points

Side by side

measured values
Soft Jazz John's Blue
Brand Benjamin Moore Vista Paint
Code 809 0617
Hex #81A5C0 #87A4C0
Light reflectance 37.1 36.0
Undertone blue blue
Chroma 18.7 18.0
Hue angle 252.2° 259.0°
Color family teal blue

Each on its own

full detail