ΔE 9.2, close: similar, with a visible difference side by side. Flat Earth is a little darker, warmer than Linoleum Deck Brown.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Flat Earth is a little darker, warmer than Linoleum Deck Brown.
The same difference applies the other way round: Linoleum Deck Brown is a little lighter, 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 Linoleum Deck Brown on the colour wheel See Flat Earth on the colour wheel
All matches: Linoleum Deck Brown equivalents · Flat Earth equivalents