Comparison

Flemish Blue vs Soft Blue

PPG 1238-3 and Vista Paint 0651, ΔE 1 apart

PPG Flemish Blue 1238-3 on a wall, hex #ADD0E0
Flemish Blue PPG 1238-3
Vista Paint Soft Blue 0651 on a wall, hex #ADCEDD
Soft Blue Vista Paint 0651
Zeytin’s verdict · ΔE 1Twins, almost. Only daylight on a big wall tells them apart.

PPG Flemish Blue (1238-3) and Vista Paint Soft Blue (0651) measure a delta-E of 1 apart. They sit within 1 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 14.3 and 13.5. The undertones part company: Flemish Blue reads as a blue at hue angle 235.5 degrees, Soft Blue as a blue undertone at 235.2. The difference is measurable but subtle. It shows on a large wall in strong daylight and disappears under lamplight. If you need the Soft Blue depth in PPG's line, start from its LRV of 59.0 rather than matching by name.

Is PPG Flemish Blue the same color as Vista Paint Soft Blue?

Not quite, but close - PPG Flemish Blue and Vista Paint Soft Blue are delta-E 1 apart, close enough that most rooms would not show the difference.

What is the delta-E between PPG Flemish Blue and Vista Paint Soft Blue?

The measured color distance between PPG Flemish Blue and Vista Paint Soft Blue is delta-E 1.

Which is lighter, PPG Flemish Blue or Vista Paint Soft Blue?

PPG Flemish Blue is lighter than Vista Paint Soft Blue by 1 points of light reflectance (LRV).

CLOSEST PAIRΔE 1 Flemish Blue and Soft Blue
LIGHTESTFlemish Blue LRV 60.0
DARKESTSoft Blue LRV 59.0
SPREAD1LRV points

Side by side

measured values
Flemish Blue Soft Blue
Brand PPG Vista Paint
Code 1238-3 0651
Hex #ADD0E0 #ADCEDD
Light reflectance 60.0 59.0
Undertone blue blue undertone
Chroma 14.3 13.5
Hue angle 235.5° 235.2°
Color family teal teal

Each on its own

full detail