ΔE 15.3, loose: different enough that you should pick on purpose. Granite Stone is a little darker, much more muted than Deepkin Flesh.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). Granite Stone is a little darker, much more muted than Deepkin Flesh.
The same difference applies the other way round: Deepkin Flesh is a little lighter, much more saturated.
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 Deepkin Flesh on the colour wheel See Granite Stone on the colour wheel
All matches: Deepkin Flesh equivalents · Granite Stone equivalents