Potentially Purple in Vista Paint

The closest Vista Paint paint to Behr Potentially Purple (640A-3) is Plum's the Word 1239, a delta-E of 2.25 away — the nearest Vista Paint makes, and near enough for most rooms, but it is not an exact copy.

Plum's the Word is 1 LRV points lighter, so the room will read slightly brighter. Undertone reads as violet undertone against violet undertone, at chroma 13.9 and 12.0.

Codes are not transferable between manufacturers and no brand publishes a conversion table, so every figure here is measured from the published hex values rather than taken from a chart.