ΔE 7.0, close: similar, with a visible difference side by side. US Interior Yellow is a little lighter than Summer Soil.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). US Interior Yellow is a little lighter than Summer Soil.
The same difference applies the other way round: Summer Soil is a little darker.
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 Summer Soil on the colour wheel See US Interior Yellow on the colour wheel
All matches: Summer Soil equivalents · US Interior Yellow equivalents