Blue Seduction 4 vs First Dawn

Blue Seduction 4 and First Dawn are both Dulux blues. The gap between them is ΔE 2.1 — “near-identical”. Blue Seduction 4 is the lighter of the two. First Dawn is the cheaper of the two at £10.80 per litre.

	Blue Seduction 4	First Dawn
Hex	#B6D1E2	#AFD2E5
Lightness (L*)	82	82
Price / litre	£14.40	£10.80

Looking across brands instead? See Blue Seduction 4’s cross-brand matches and cheaper alternatives, or First Dawn’s.