Comparison

Silver Mist vs Northern Sky

Benjamin Moore 1619 and Kilz TB-42, ΔE 2.09 apart

Benjamin Moore Silver Mist 1619 on a wall, hex #C8D2D6
Silver Mist Benjamin Moore 1619
Kilz Northern Sky TB-42 on a wall, hex #CBD7DD
Northern Sky Kilz TB-42
Zeytin’s verdict · ΔE 2.09Close cousins. Paint a sample of each before you choose.

Benjamin Moore Silver Mist (1619) and Kilz Northern Sky (TB-42) measure a delta-E of 2.09 apart. Northern Sky is 3.8 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 4.1 and 5.2. Close, but a large sample of each will show the gap, particularly against white trim. If you need the Silver Mist depth in Kilz's line, start from its LRV of 62.2 rather than matching by name.

Is Benjamin Moore Silver Mist the same color as Kilz Northern Sky?

Not quite, but close - Benjamin Moore Silver Mist and Kilz Northern Sky are delta-E 2.09 apart, close enough that most rooms would not show the difference.

What is the delta-E between Benjamin Moore Silver Mist and Kilz Northern Sky?

The measured color distance between Benjamin Moore Silver Mist and Kilz Northern Sky is delta-E 2.09.

Which is lighter, Benjamin Moore Silver Mist or Kilz Northern Sky?

Kilz Northern Sky is lighter than Benjamin Moore Silver Mist by 3.8 points of light reflectance (LRV).

CLOSEST PAIRΔE 2.09 Silver Mist and Northern Sky
LIGHTESTNorthern Sky LRV 66.0
DARKESTSilver Mist LRV 62.2
SPREAD3.8LRV points

Side by side

measured values
Silver Mist Northern Sky
Brand Benjamin Moore Kilz
Code 1619 TB-42
Hex #C8D2D6 #CBD7DD
Light reflectance 62.2 66.0
Undertone cool blue-gray cool blue-gray
Chroma 4.1 5.2
Hue angle 230.3° 236.5°
Color family gray gray

Each on its own

full detail