Comparison

Shimmering Sky vs Plum's the Word

Dunn-Edwards DE5960 and Vista Paint 1239, ΔE 1.55 apart

Dunn-Edwards Shimmering Sky DE5960 on a wall, hex #DBD1E8
Shimmering Sky Dunn-Edwards DE5960
Vista Paint Plum's the Word 1239 on a wall, hex #DACEE7
Plum's the Word Vista Paint 1239
Zeytin’s verdict · ΔE 1.55Twins, almost. Only daylight on a big wall tells them apart.

Dunn-Edwards Shimmering Sky (DE5960) and Vista Paint Plum's the Word (1239) measure a delta-E of 1.55 apart. Shimmering Sky is 1.5 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 12.7 and 13.9. The difference is measurable but subtle. It shows on a large wall in strong daylight and disappears under lamplight. If you need the Plum's the Word depth in Dunn-Edwards's line, start from its LRV of 65.0 rather than matching by name.

Is Dunn-Edwards Shimmering Sky the same color as Vista Paint Plum's the Word?

Not quite, but close - Dunn-Edwards Shimmering Sky and Vista Paint Plum's the Word are delta-E 1.55 apart, close enough that most rooms would not show the difference.

What is the delta-E between Dunn-Edwards Shimmering Sky and Vista Paint Plum's the Word?

The measured color distance between Dunn-Edwards Shimmering Sky and Vista Paint Plum's the Word is delta-E 1.55.

Which is lighter, Dunn-Edwards Shimmering Sky or Vista Paint Plum's the Word?

Dunn-Edwards Shimmering Sky is lighter than Vista Paint Plum's the Word by 1.5 points of light reflectance (LRV).

CLOSEST PAIRΔE 1.55 Shimmering Sky and Plum's the Word
LIGHTESTShimmering Sky LRV 66.5
DARKESTPlum's the Word LRV 65.0
SPREAD1.5LRV points

Side by side

measured values
Shimmering Sky Plum's the Word
Brand Dunn-Edwards Vista Paint
Code DE5960 1239
Hex #DBD1E8 #DACEE7
Light reflectance 66.5 65.0
Undertone violet undertone violet undertone
Chroma 12.7 13.9
Hue angle 307.2° 308.9°
Color family purple purple

Each on its own

full detail