ΔE 14.9, fair: the same colour family, but not a straight swap. Hexed Lichen is a little lighter, more saturated, warmer than Phthalo Cyanine Blue.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Hexed Lichen is a little lighter, more saturated, warmer than Phthalo Cyanine Blue.
The same difference applies the other way round: Phthalo Cyanine Blue is a little darker, more muted, cooler.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Phthalo Cyanine Blue on the colour wheel See Hexed Lichen on the colour wheel
All matches: Phthalo Cyanine Blue equivalents · Hexed Lichen equivalents