Comparison

Newburg Green vs Slate Wall

Benjamin Moore HC-158 and Dunn-Edwards DE5797, ΔE 2.57 apart

Benjamin Moore Newburg Green HC-158 on a wall, hex #445962
Newburg Green Benjamin Moore HC-158
Dunn-Edwards Slate Wall DE5797 on a wall, hex #40535D
Slate Wall Dunn-Edwards DE5797
Zeytin’s verdict · ΔE 2.57Close cousins. Paint a sample of each before you choose.

Benjamin Moore Newburg Green (HC-158) and Dunn-Edwards Slate Wall (DE5797) measure a delta-E of 2.57 apart. Newburg Green is 2.5 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 9.6 and 9.4. Close, but a large sample of each will show the gap, particularly against white trim. If you need the Slate Wall depth in Benjamin Moore's line, start from its LRV of 8.1 rather than matching by name.

Is Benjamin Moore Newburg Green the same color as Dunn-Edwards Slate Wall?

Not quite, but close - Benjamin Moore Newburg Green and Dunn-Edwards Slate Wall are delta-E 2.57 apart, close enough that most rooms would not show the difference.

What is the delta-E between Benjamin Moore Newburg Green and Dunn-Edwards Slate Wall?

The measured color distance between Benjamin Moore Newburg Green and Dunn-Edwards Slate Wall is delta-E 2.57.

Which is lighter, Benjamin Moore Newburg Green or Dunn-Edwards Slate Wall?

Benjamin Moore Newburg Green is lighter than Dunn-Edwards Slate Wall by 2.5 points of light reflectance (LRV).

CLOSEST PAIRΔE 2.57 Newburg Green and Slate Wall
LIGHTESTNewburg Green LRV 10.6
DARKESTSlate Wall LRV 8.1
SPREAD2.5LRV points

Side by side

measured values
Newburg Green Slate Wall
Brand Benjamin Moore Dunn-Edwards
Code HC-158 DE5797
Hex #445962 #40535D
Light reflectance 10.6 8.1
Undertone blue undertone blue undertone
Chroma 9.6 9.4
Hue angle 234.3° 240.6°
Color family black black

Each on its own

full detail