ΔE 13.9, fair: the same colour family, but not a straight swap. Hexed Lichen is much more saturated, warmer than Amethyst Rayne.
✓ Two Thin Coats comparison chart lists these two as equivalents.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Hexed Lichen is much more saturated, warmer than Amethyst Rayne.
The same difference applies the other way round: Amethyst Rayne is much 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 Amethyst Rayne on the colour wheel See Hexed Lichen on the colour wheel
All matches: Amethyst Rayne equivalents · Hexed Lichen equivalents