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Blue Charm vs Steel Symphony 4

Blue Charm and Steel Symphony 4 are both Dulux blues. The gap between them is ΔE 1.7 — “near-identical”. Blue Charm is the lighter of the two, and Steel Symphony 4 the warmer. Both cost about £14.40 per litre.

Blue CharmSteel Symphony 4
Hex#B8C7CC#B9C4C9
Lightness (L*)7978
Price / litre£14.40£14.40

Looking across brands instead? See Blue Charm’s cross-brand matches and cheaper alternatives, or Steel Symphony 4’s.