Comparison

Gray Gardens vs Stairway to Heaven

Benjamin Moore CSP-55 and Vista Paint 0479, ΔE 1.68 apart

Benjamin Moore Gray Gardens CSP-55 on a wall, hex #717571
Gray Gardens Benjamin Moore CSP-55
Vista Paint Stairway to Heaven 0479 on a wall, hex #6E7673
Stairway to Heaven Vista Paint 0479
Zeytin’s verdict · ΔE 1.68Twins, almost. Only daylight on a big wall tells them apart.

Benjamin Moore Gray Gardens (CSP-55) and Vista Paint Stairway to Heaven (0479) measure a delta-E of 1.68 apart. They sit within 0.7 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 2.9 and 3.7. The undertones part company: Gray Gardens reads as a true neutral at hue angle 144.4 degrees, Stairway to Heaven as a green cast at 170.5. The difference is measurable but subtle. It shows on a large wall in strong daylight and disappears under lamplight. If you need the Stairway to Heaven depth in Benjamin Moore's line, start from its LRV of 18.0 rather than matching by name.

Is Benjamin Moore Gray Gardens the same color as Vista Paint Stairway to Heaven?

Not quite, but close - Benjamin Moore Gray Gardens and Vista Paint Stairway to Heaven are delta-E 1.68 apart, close enough that most rooms would not show the difference.

What is the delta-E between Benjamin Moore Gray Gardens and Vista Paint Stairway to Heaven?

The measured color distance between Benjamin Moore Gray Gardens and Vista Paint Stairway to Heaven is delta-E 1.68.

CLOSEST PAIRΔE 1.68 Gray Gardens and Stairway to Heaven
LIGHTESTGray Gardens LRV 18.7
DARKESTStairway to Heaven LRV 18.0
SPREAD0.7LRV points

Side by side

measured values
Gray Gardens Stairway to Heaven
Brand Benjamin Moore Vista Paint
Code CSP-55 0479
Hex #717571 #6E7673
Light reflectance 18.7 18.0
Undertone true neutral green cast
Chroma 2.9 3.7
Hue angle 144.4° 170.5°
Color family gray gray

Each on its own

full detail