ΔE 9.2, close: similar, with a visible difference side by side. Desert Yellow is more saturated than Light Brick.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Desert Yellow is more saturated than Light Brick.
The same difference applies the other way round: Light Brick is 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 Brick on the colour wheel See Desert Yellow on the colour wheel
All matches: Light Brick equivalents · Desert Yellow equivalents