ΔE 6.8, close: similar, with a visible difference side by side. Parched Grass (Late) is a little lighter, warmer than Tundra Taupe.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Parched Grass (Late) is a little lighter, warmer than Tundra Taupe.
The same difference applies the other way round: Tundra Taupe is a little darker, 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 Tundra Taupe on the colour wheel See Parched Grass (Late) on the colour wheel
All matches: Tundra Taupe equivalents · Parched Grass (Late) equivalents