Comparison

Kitty Gray vs Shady Place

Benjamin Moore 1589 and Vista Paint 8310, ΔE 1.39 apart

Benjamin Moore Kitty Gray 1589 on a wall, hex #646B68
Kitty Gray Benjamin Moore 1589
Vista Paint Shady Place 8310 on a wall, hex #666C6B
Shady Place Vista Paint 8310
Zeytin’s verdict · ΔE 1.39Twins, almost. Only daylight on a big wall tells them apart.

Benjamin Moore Kitty Gray (1589) and Vista Paint Shady Place (8310) measure a delta-E of 1.39 apart. Kitty Gray is 2.5 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 3.4 and 2.5. The undertones part company: Kitty Gray reads as a green cast at hue angle 167.2 degrees, Shady Place as a true neutral at 185.5. The difference is measurable but subtle. It shows on a large wall in strong daylight and disappears under lamplight. If you need the Shady Place depth in Benjamin Moore's line, start from its LRV of 13.0 rather than matching by name.

Is Benjamin Moore Kitty Gray the same color as Vista Paint Shady Place?

Not quite, but close - Benjamin Moore Kitty Gray and Vista Paint Shady Place are delta-E 1.39 apart, close enough that most rooms would not show the difference.

What is the delta-E between Benjamin Moore Kitty Gray and Vista Paint Shady Place?

The measured color distance between Benjamin Moore Kitty Gray and Vista Paint Shady Place is delta-E 1.39.

Which is lighter, Benjamin Moore Kitty Gray or Vista Paint Shady Place?

Benjamin Moore Kitty Gray is lighter than Vista Paint Shady Place by 2.5 points of light reflectance (LRV).

CLOSEST PAIRΔE 1.39 Kitty Gray and Shady Place
LIGHTESTKitty Gray LRV 15.5
DARKESTShady Place LRV 13.0
SPREAD2.5LRV points

Side by side

measured values
Kitty Gray Shady Place
Brand Benjamin Moore Vista Paint
Code 1589 8310
Hex #646B68 #666C6B
Light reflectance 15.5 13.0
Undertone green cast true neutral
Chroma 3.4 2.5
Hue angle 167.2° 185.5°
Color family gray gray

Each on its own

full detail