ΔE 10.1, fair: the same colour family, but not a straight swap. Seraphim Sepia is more saturated, warmer than Pale Yellow Green FS-33481. They are different kinds of paint: AMMO by Mig Pale Yellow Green FS-33481 is an opaque base/layer paint and Citadel Seraphim Sepia is a wash/shade, so they won’t behave the same on the model even where the colour is close.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Seraphim Sepia is more saturated, warmer than Pale Yellow Green FS-33481. They are different kinds of paint.
The same difference applies the other way round: Pale Yellow Green FS-33481 is 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 Pale Yellow Green FS-33481 on the colour wheel See Seraphim Sepia on the colour wheel
All matches: Pale Yellow Green FS-33481 equivalents · Seraphim Sepia equivalents