Comparison

Festoon Aqua vs Lucinda

Sherwin-Williams SW 0019 and Vista Paint H0042, ΔE 1.87 apart

Sherwin-Williams Festoon Aqua SW 0019 on a wall, hex #A0BBB8
Festoon Aqua Sherwin-Williams SW 0019
Vista Paint Lucinda H0042 on a wall, hex #A2B8B5
Lucinda Vista Paint H0042
Zeytin’s verdict · ΔE 1.87Twins, almost. Only daylight on a big wall tells them apart.

Sherwin-Williams Festoon Aqua (SW 0019) and Vista Paint Lucinda (H0042) measure a delta-E of 1.87 apart. They sit within 0.6 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 9.9 and 8.2. The difference is measurable but subtle. It shows on a large wall in strong daylight and disappears under lamplight. If you need the Lucinda depth in Sherwin-Williams's line, start from its LRV of 46.0 rather than matching by name.

Is Sherwin-Williams Festoon Aqua the same color as Vista Paint Lucinda?

Not quite, but close - Sherwin-Williams Festoon Aqua and Vista Paint Lucinda are delta-E 1.87 apart, close enough that most rooms would not show the difference.

What is the delta-E between Sherwin-Williams Festoon Aqua and Vista Paint Lucinda?

The measured color distance between Sherwin-Williams Festoon Aqua and Vista Paint Lucinda is delta-E 1.87.

CLOSEST PAIRΔE 1.87 Festoon Aqua and Lucinda
LIGHTESTFestoon Aqua LRV 46.6
DARKESTLucinda LRV 46.0
SPREAD0.6LRV points

Side by side

measured values
Festoon Aqua Lucinda
Brand Sherwin-Williams Vista Paint
Code SW 0019 H0042
Hex #A0BBB8 #A2B8B5
Light reflectance 46.6 46.0
Undertone teal undertone teal undertone
Chroma 9.9 8.2
Hue angle 189.1° 187.3°
Color family teal teal

Each on its own

full detail