ΔE 6.4, close: similar, with a visible difference side by side. Skeleton Legion is a little lighter, more saturated than Light Battle Dress.
Usually, if you are not matching paint already on the model. Close match (ΔE 6). Skeleton Legion is a little lighter, more saturated than Light Battle Dress.
The same difference applies the other way round: Light Battle Dress is a little darker, more muted.
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 Light Battle Dress on the colour wheel See Skeleton Legion on the colour wheel
All matches: Light Battle Dress equivalents · Skeleton Legion equivalents