Comparison

Nimbus vs Cool Slate

Benjamin Moore 1465 and PPG 1002-3, ΔE 0.66 apart

Benjamin Moore Nimbus 1465 on a wall, hex #CFCCC4
Nimbus Benjamin Moore 1465
PPG Cool Slate 1002-3 on a wall, hex #D0CCC5
Cool Slate PPG 1002-3
Zeytin’s verdict · ΔE 0.66Same color. Buy the cheaper one.

Benjamin Moore Nimbus (1465) and PPG Cool Slate (1002-3) measure a delta-E of 0.66 apart. Cool Slate is 2.6 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 4.4 and 4. Side by side on a wall these are effectively the same color. Choose on price and availability rather than appearance. If you need the Nimbus depth in PPG's line, start from its LRV of 59.4 rather than matching by name.

Is Benjamin Moore Nimbus the same color as PPG Cool Slate?

Yes, by measurement - Benjamin Moore Nimbus and PPG Cool Slate are only delta-E 0.66 apart, which is below what the human eye can reliably tell apart.

What is the delta-E between Benjamin Moore Nimbus and PPG Cool Slate?

The measured color distance between Benjamin Moore Nimbus and PPG Cool Slate is delta-E 0.66.

Which is lighter, Benjamin Moore Nimbus or PPG Cool Slate?

PPG Cool Slate is lighter than Benjamin Moore Nimbus by 2.6 points of light reflectance (LRV).

CLOSEST PAIRΔE 0.66 Nimbus and Cool Slate
LIGHTESTCool Slate LRV 62.0
DARKESTNimbus LRV 59.4
SPREAD2.6LRV points

Side by side

measured values
Nimbus Cool Slate
Brand Benjamin Moore PPG
Code 1465 1002-3
Hex #CFCCC4 #D0CCC5
Light reflectance 59.4 62.0
Undertone yellow cast yellow cast
Chroma 4.4 4.0
Hue angle 95.0° 87.8°
Color family gray gray

Each on its own

full detail