Blue Diamond 4 vs Hawaiian Blue 4

Blue Diamond 4 and Hawaiian Blue 4 are both Dulux teals. The gap between them is ΔE 6.5 — “close”. Blue Diamond 4 is the lighter of the two. Both cost about £14.40 per litre.

	Blue Diamond 4	Hawaiian Blue 4
Hex	#00939F	#0089A3
Lightness (L*)	55	52
Price / litre	£14.40	£14.40

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