Comparison

Phoenix Fossil vs Summit Gray

PPG 1009-5 and Sherwin-Williams SW 7669, ΔE 2.13 apart

PPG Phoenix Fossil 1009-5 on a wall, hex #8E908D
Phoenix Fossil PPG 1009-5
Sherwin-Williams Summit Gray SW 7669 on a wall, hex #959491
Summit Gray Sherwin-Williams SW 7669
Zeytin’s verdict · ΔE 2.13Close cousins. Paint a sample of each before you choose.

PPG Phoenix Fossil (1009-5) and Sherwin-Williams Summit Gray (SW 7669) measure a delta-E of 2.13 apart. Summit Gray is 1.6 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 1.9 and 1.7. Close, but a large sample of each will show the gap, particularly against white trim. If you need the Phoenix Fossil depth in Sherwin-Williams's line, start from its LRV of 28.0 rather than matching by name.

Is PPG Phoenix Fossil the same color as Sherwin-Williams Summit Gray?

Not quite, but close - PPG Phoenix Fossil and Sherwin-Williams Summit Gray are delta-E 2.13 apart, close enough that most rooms would not show the difference.

What is the delta-E between PPG Phoenix Fossil and Sherwin-Williams Summit Gray?

The measured color distance between PPG Phoenix Fossil and Sherwin-Williams Summit Gray is delta-E 2.13.

Which is lighter, PPG Phoenix Fossil or Sherwin-Williams Summit Gray?

Sherwin-Williams Summit Gray is lighter than PPG Phoenix Fossil by 1.6 points of light reflectance (LRV).

CLOSEST PAIRΔE 2.13 Phoenix Fossil and Summit Gray
LIGHTESTSummit Gray LRV 29.6
DARKESTPhoenix Fossil LRV 28.0
SPREAD1.6LRV points

Side by side

measured values
Phoenix Fossil Summit Gray
Brand PPG Sherwin-Williams
Code 1009-5 SW 7669
Hex #8E908D #959491
Light reflectance 28.0 29.6
Undertone true neutral true neutral
Chroma 1.9 1.7
Hue angle 134.6° 96.7°
Color family gray gray

Each on its own

full detail