Comparison

Nelson Blue vs Foggy Mist

Benjamin Moore CW-635 and Vista Paint 0475, ΔE 1.5 apart

Benjamin Moore Nelson Blue CW-635 on a wall, hex #CED6D0
Nelson Blue Benjamin Moore CW-635
Vista Paint Foggy Mist 0475 on a wall, hex #CAD2CD
Foggy Mist Vista Paint 0475
Zeytin’s verdict · ΔE 1.5Twins, almost. Only daylight on a big wall tells them apart.

Benjamin Moore Nelson Blue (CW-635) and Vista Paint Foggy Mist (0475) measure a delta-E of 1.5 apart. They sit within 1.4 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 4.3 and 3.9. The difference is measurable but subtle. It shows on a large wall in strong daylight and disappears under lamplight. If you need the Foggy Mist depth in Benjamin Moore's line, start from its LRV of 64.0 rather than matching by name.

Is Benjamin Moore Nelson Blue the same color as Vista Paint Foggy Mist?

Not quite, but close - Benjamin Moore Nelson Blue and Vista Paint Foggy Mist are delta-E 1.5 apart, close enough that most rooms would not show the difference.

What is the delta-E between Benjamin Moore Nelson Blue and Vista Paint Foggy Mist?

The measured color distance between Benjamin Moore Nelson Blue and Vista Paint Foggy Mist is delta-E 1.5.

Which is lighter, Benjamin Moore Nelson Blue or Vista Paint Foggy Mist?

Benjamin Moore Nelson Blue is lighter than Vista Paint Foggy Mist by 1.4 points of light reflectance (LRV).

CLOSEST PAIRΔE 1.5 Nelson Blue and Foggy Mist
LIGHTESTNelson Blue LRV 65.4
DARKESTFoggy Mist LRV 64.0
SPREAD1.4LRV points

Side by side

measured values
Nelson Blue Foggy Mist
Brand Benjamin Moore Vista Paint
Code CW-635 0475
Hex #CED6D0 #CAD2CD
Light reflectance 65.4 64.0
Undertone green cast green cast
Chroma 4.3 3.9
Hue angle 152.1° 157.3°
Color family gray gray

Each on its own

full detail