Comparison

Mountain Air vs Lavender Pizzazz

Dunn-Edwards DE6393 and Vista Paint 1286, ΔE 1.74 apart

Dunn-Edwards Mountain Air DE6393 on a wall, hex #E6E0E0
Mountain Air Dunn-Edwards DE6393
Vista Paint Lavender Pizzazz 1286 on a wall, hex #E8E2E5
Lavender Pizzazz Vista Paint 1286
Zeytin’s verdict · ΔE 1.74Twins, almost. Only daylight on a big wall tells them apart.

Dunn-Edwards Mountain Air (DE6393) and Vista Paint Lavender Pizzazz (1286) measure a delta-E of 1.74 apart. Lavender Pizzazz is 2.5 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 2.2 and 2.7. The difference is measurable but subtle. It shows on a large wall in strong daylight and disappears under lamplight. If you need the Mountain Air depth in Vista Paint's line, start from its LRV of 75.5 rather than matching by name.

Is Dunn-Edwards Mountain Air the same color as Vista Paint Lavender Pizzazz?

Not quite, but close - Dunn-Edwards Mountain Air and Vista Paint Lavender Pizzazz are delta-E 1.74 apart, close enough that most rooms would not show the difference.

What is the delta-E between Dunn-Edwards Mountain Air and Vista Paint Lavender Pizzazz?

The measured color distance between Dunn-Edwards Mountain Air and Vista Paint Lavender Pizzazz is delta-E 1.74.

Which is lighter, Dunn-Edwards Mountain Air or Vista Paint Lavender Pizzazz?

Vista Paint Lavender Pizzazz is lighter than Dunn-Edwards Mountain Air by 2.5 points of light reflectance (LRV).

CLOSEST PAIRΔE 1.74 Mountain Air and Lavender Pizzazz
LIGHTESTLavender Pizzazz LRV 78.0
DARKESTMountain Air LRV 75.5
SPREAD2.5LRV points

Side by side

measured values
Mountain Air Lavender Pizzazz
Brand Dunn-Edwards Vista Paint
Code DE6393 1286
Hex #E6E0E0 #E8E2E5
Light reflectance 75.5 78.0
Undertone true neutral true neutral
Chroma 2.2 2.7
Hue angle 19.2° 343.7°
Color family gray gray

Each on its own

full detail