Comparison

Mystical Grape vs Violet Majesty

Benjamin Moore 2071-30 and Dunn-Edwards DEA142, ΔE 1.42 apart

Benjamin Moore Mystical Grape 2071-30 on a wall, hex #664B86
Mystical Grape Benjamin Moore 2071-30
Dunn-Edwards Violet Majesty DEA142 on a wall, hex #644982
Violet Majesty Dunn-Edwards DEA142
Zeytin’s verdict · ΔE 1.42Twins, almost. Only daylight on a big wall tells them apart.

Benjamin Moore Mystical Grape (2071-30) and Dunn-Edwards Violet Majesty (DEA142) measure a delta-E of 1.42 apart. Mystical Grape is 2.8 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 37.6 and 36.6. The difference is measurable but subtle. It shows on a large wall in strong daylight and disappears under lamplight. If you need the Violet Majesty depth in Benjamin Moore's line, start from its LRV of 9.1 rather than matching by name.

Is Benjamin Moore Mystical Grape the same color as Dunn-Edwards Violet Majesty?

Not quite, but close - Benjamin Moore Mystical Grape and Dunn-Edwards Violet Majesty are delta-E 1.42 apart, close enough that most rooms would not show the difference.

What is the delta-E between Benjamin Moore Mystical Grape and Dunn-Edwards Violet Majesty?

The measured color distance between Benjamin Moore Mystical Grape and Dunn-Edwards Violet Majesty is delta-E 1.42.

Which is lighter, Benjamin Moore Mystical Grape or Dunn-Edwards Violet Majesty?

Benjamin Moore Mystical Grape is lighter than Dunn-Edwards Violet Majesty by 2.8 points of light reflectance (LRV).

CLOSEST PAIRΔE 1.42 Mystical Grape and Violet Majesty
LIGHTESTMystical Grape LRV 11.9
DARKESTViolet Majesty LRV 9.1
SPREAD2.8LRV points

Side by side

measured values
Mystical Grape Violet Majesty
Brand Benjamin Moore Dunn-Edwards
Code 2071-30 DEA142
Hex #664B86 #644982
Light reflectance 11.9 9.1
Undertone violet violet
Chroma 37.6 36.6
Hue angle 309.9° 310.4°
Color family purple purple

Each on its own

full detail