ΔE 10.1, fair: the same colour family, but not a straight swap. Twilight Blue is a little darker, more muted than The Fang.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Twilight Blue is a little darker, more muted than The Fang.
The same difference applies the other way round: The Fang is a little lighter, 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 The Fang on the colour wheel See Twilight Blue on the colour wheel
All matches: The Fang equivalents · Twilight Blue equivalents