ΔE 17.2, loose: different enough that you should pick on purpose. Golden Griffon is much more saturated than Webbing Khaki.
Can I use Golden Griffon instead of Webbing Khaki?
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Golden Griffon is much more saturated than Webbing Khaki.
Can I use Webbing Khaki instead of Golden Griffon?
The same difference applies the other way round: Webbing Khaki is much 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.