ΔE 8.6, close: similar, with a visible difference side by side. Light Brown is a little darker, more muted than Red Tile.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Light Brown is a little darker, more muted than Red Tile.
The same difference applies the other way round: Red Tile is a little lighter, more saturated.
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 Red Tile on the colour wheel See Light Brown on the colour wheel
All matches: Red Tile equivalents · Light Brown equivalents