Tuskgor Fur vs Dark Magenta

How close are they?

ΔE 21.0, loose: different enough that you should pick on purpose. Dark Magenta is a little lighter, more saturated, cooler than Tuskgor Fur.

Can I use Dark Magenta instead of Tuskgor Fur?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 21). Dark Magenta is a little lighter, more saturated, cooler than Tuskgor Fur.

Can I use Tuskgor Fur instead of Dark Magenta?

The same difference applies the other way round: Tuskgor Fur is a little darker, 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.