ΔE 6.3, close: similar, with a visible difference side by side. Yellow Brown is warmer than US Interior Yellow Green.
Usually, if you are not matching paint already on the model. Close match (ΔE 6). Yellow Brown is warmer than US Interior Yellow Green.
The same difference applies the other way round: US Interior Yellow Green is 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 US Interior Yellow Green on the colour wheel See Yellow Brown on the colour wheel
All matches: US Interior Yellow Green equivalents · Yellow Brown equivalents