ΔE 15.8, loose: different enough that you should pick on purpose. Kiwi Brown is a little darker, cooler than Deathclaw Brown.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 16). Kiwi Brown is a little darker, cooler than Deathclaw Brown.
The same difference applies the other way round: Deathclaw Brown is a little lighter, 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 Deathclaw Brown on the colour wheel See Kiwi Brown on the colour wheel
All matches: Deathclaw Brown equivalents · Kiwi Brown equivalents