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Prom Queen vs Purple Polka 4

Prom Queen and Purple Polka 4 are both Dulux blues. The gap between them is ΔE 2.4 — “near-identical”. Prom Queen is the lighter of the two, and Purple Polka 4 the warmer. Both cost about £14.40 per litre.

Prom QueenPurple Polka 4
Hex#C6C0D9#BEBACF
Lightness (L*)7976
Price / litre£14.40£14.40

Looking across brands instead? See Prom Queen’s cross-brand matches and cheaper alternatives, or Purple Polka 4’s.