Comparison

Lava Gray vs Thunderstorm

PPG 1038-6 and Vista Paint 0514, ΔE 2.96 apart

PPG Lava Gray 1038-6 on a wall, hex #5E686D
Lava Gray PPG 1038-6
Vista Paint Thunderstorm 0514 on a wall, hex #5D636B
Thunderstorm Vista Paint 0514
Zeytin’s verdict · ΔE 2.96Close cousins. Paint a sample of each before you choose.

PPG Lava Gray (1038-6) and Vista Paint Thunderstorm (0514) measure a delta-E of 2.96 apart. They sit within 0 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 4.9 and 5.3. Close, but a large sample of each will show the gap, particularly against white trim. If you need the Lava Gray depth in Vista Paint's line, start from its LRV of 13.0 rather than matching by name.

Is PPG Lava Gray the same color as Vista Paint Thunderstorm?

Not quite, but close - PPG Lava Gray and Vista Paint Thunderstorm are delta-E 2.96 apart, close enough that most rooms would not show the difference.

What is the delta-E between PPG Lava Gray and Vista Paint Thunderstorm?

The measured color distance between PPG Lava Gray and Vista Paint Thunderstorm is delta-E 2.96.

CLOSEST PAIRΔE 2.96 Lava Gray and Thunderstorm
LIGHTESTLava Gray LRV 13.0
DARKESTLava Gray LRV 13.0
SPREAD0LRV points

Side by side

measured values
Lava Gray Thunderstorm
Brand PPG Vista Paint
Code 1038-6 0514
Hex #5E686D #5D636B
Light reflectance 13.0 13.0
Undertone blue cast blue cast
Chroma 4.9 5.3
Hue angle 237.0° 264.5°
Color family gray gray

Each on its own

full detail