ΔE 9.6, close: similar, with a visible difference side by side. Light Brown is a little lighter, more saturated than Oiled Leather.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Light Brown is a little lighter, more saturated than Oiled Leather.
The same difference applies the other way round: Oiled Leather 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 Oiled Leather on the colour wheel See Light Brown on the colour wheel
All matches: Oiled Leather equivalents · Light Brown equivalents