ΔE 6.1, close: similar, with a visible difference side by side. Fulgrim Pink is a little lighter than Fey Pink.
✓ Army Painter Fanatic conversion chart lists these two as equivalents.
Usually, if you are not matching paint already on the model. Close match (ΔE 6). Fulgrim Pink is a little lighter than Fey Pink.
The same difference applies the other way round: Fey Pink is a little darker.
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 Fey Pink on the colour wheel See Fulgrim Pink on the colour wheel
All matches: Fey Pink equivalents · Fulgrim Pink equivalents