ΔE 10.8, fair: the same colour family, but not a straight swap. Deepkin Flesh is more saturated, warmer than Deck Tan.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Deepkin Flesh is more saturated, warmer than Deck Tan.
The same difference applies the other way round: Deck Tan is more muted, cooler.
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 Deepkin Flesh on the colour wheel
All matches: Deck Tan equivalents · Deepkin Flesh equivalents