ΔE 7.4, close: similar, with a visible difference side by side. White Grey is a little lighter, cooler than Deck Tan.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). White Grey is a little lighter, cooler than Deck Tan.
The same difference applies the other way round: Deck Tan is a little darker, warmer.
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 Deck Tan on the colour wheel See White Grey on the colour wheel
All matches: Deck Tan equivalents · White Grey equivalents