ΔE 25.7, loose: different enough that you should pick on purpose. Eau de Nil “D.E.G.” is noticeably darker, more saturated, cooler than Snake Fang.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 26). Eau de Nil “D.E.G.” is noticeably darker, more saturated, cooler than Snake Fang.
The same difference applies the other way round: Snake Fang is noticeably lighter, more muted, 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 Snake Fang on the colour wheel See Eau de Nil “D.E.G.” on the colour wheel
All matches: Snake Fang equivalents · Eau de Nil “D.E.G.” equivalents