Blue 04 vs Blue 19

Blue 04 (No.blue-04) and Blue 19 (No.blue-19) are both Lick blues. The gap between them is ΔE 22.7 — “similar”. Blue 04 is the lighter of the two. Both cost about £16.40 per litre.

	Blue 04	Blue 19
Hex	#9CB7C5	#4E7ABB
Lightness (L*)	73	51
Code	blue-04	blue-19
Price / litre	£16.40	£16.40

Looking across brands instead? See Blue 04’s cross-brand matches and cheaper alternatives, or Blue 19’s.