Comparison

Lavender Twilight vs Lite Lavender

PPG 1178-1 and Sherwin-Williams SW 6554, ΔE 2.09 apart

PPG Lavender Twilight 1178-1 on a wall, hex #E7DFE3
Lavender Twilight PPG 1178-1
Sherwin-Williams Lite Lavender SW 6554 on a wall, hex #E0DADF
Lite Lavender Sherwin-Williams SW 6554
Zeytin’s verdict · ΔE 2.09Close cousins. Paint a sample of each before you choose.

PPG Lavender Twilight (1178-1) and Sherwin-Williams Lite Lavender (SW 6554) measure a delta-E of 2.09 apart. Lavender Twilight is 4.6 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 3.6 and 3.4. Close, but a large sample of each will show the gap, particularly against white trim. If you need the Lite Lavender depth in PPG's line, start from its LRV of 71.4 rather than matching by name.

Is PPG Lavender Twilight the same color as Sherwin-Williams Lite Lavender?

Not quite, but close - PPG Lavender Twilight and Sherwin-Williams Lite Lavender are delta-E 2.09 apart, close enough that most rooms would not show the difference.

What is the delta-E between PPG Lavender Twilight and Sherwin-Williams Lite Lavender?

The measured color distance between PPG Lavender Twilight and Sherwin-Williams Lite Lavender is delta-E 2.09.

Which is lighter, PPG Lavender Twilight or Sherwin-Williams Lite Lavender?

PPG Lavender Twilight is lighter than Sherwin-Williams Lite Lavender by 4.6 points of light reflectance (LRV).

CLOSEST PAIRΔE 2.09 Lavender Twilight and Lite Lavender
LIGHTESTLavender Twilight LRV 76.0
DARKESTLite Lavender LRV 71.4
SPREAD4.6LRV points

Side by side

measured values
Lavender Twilight Lite Lavender
Brand PPG Sherwin-Williams
Code 1178-1 SW 6554
Hex #E7DFE3 #E0DADF
Light reflectance 76.0 71.4
Undertone purple cast purple cast
Chroma 3.6 3.4
Hue angle 343.9° 329.5°
Color family gray gray

Each on its own

full detail