ΔE 35.2, loose: different enough that you should pick on purpose. Poxwalker is more muted, cooler than Light Tone.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 35). Poxwalker is more muted, cooler than Light Tone.
The same difference applies the other way round: Light Tone is more saturated, 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 Light Tone on the colour wheel See Poxwalker on the colour wheel
All matches: Light Tone equivalents · Poxwalker equivalents