Comparison

Arctic Gray vs Foggy Mist

Benjamin Moore 1577 and Vista Paint 0475, ΔE 1.29 apart

Benjamin Moore Arctic Gray 1577 on a wall, hex #C9CFC9
Arctic Gray Benjamin Moore 1577
Vista Paint Foggy Mist 0475 on a wall, hex #CAD2CD
Foggy Mist Vista Paint 0475
Zeytin’s verdict · ΔE 1.29Twins, almost. Only daylight on a big wall tells them apart.

Benjamin Moore Arctic Gray (1577) and Vista Paint Foggy Mist (0475) measure a delta-E of 1.29 apart. Foggy Mist is 3 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 3.9 and 3.9. The undertones part company: Arctic Gray reads as a yellow-green cast at hue angle 144.4 degrees, Foggy Mist as a green cast at 157.3. The difference is measurable but subtle. It shows on a large wall in strong daylight and disappears under lamplight. If you need the Arctic Gray depth in Vista Paint's line, start from its LRV of 61.0 rather than matching by name.

Is Benjamin Moore Arctic Gray the same color as Vista Paint Foggy Mist?

Not quite, but close - Benjamin Moore Arctic Gray and Vista Paint Foggy Mist are delta-E 1.29 apart, close enough that most rooms would not show the difference.

What is the delta-E between Benjamin Moore Arctic Gray and Vista Paint Foggy Mist?

The measured color distance between Benjamin Moore Arctic Gray and Vista Paint Foggy Mist is delta-E 1.29.

Which is lighter, Benjamin Moore Arctic Gray or Vista Paint Foggy Mist?

Vista Paint Foggy Mist is lighter than Benjamin Moore Arctic Gray by 3 points of light reflectance (LRV).

CLOSEST PAIRΔE 1.29 Arctic Gray and Foggy Mist
LIGHTESTFoggy Mist LRV 64.0
DARKESTArctic Gray LRV 61.0
SPREAD3LRV points

Side by side

measured values
Arctic Gray Foggy Mist
Brand Benjamin Moore Vista Paint
Code 1577 0475
Hex #C9CFC9 #CAD2CD
Light reflectance 61.0 64.0
Undertone yellow-green cast green cast
Chroma 3.9 3.9
Hue angle 144.4° 157.3°
Color family gray gray

Each on its own

full detail