ΔE 14.4, fair: the same colour family, but not a straight swap. Amarth Blue is a little darker, more saturated, warmer than Baharroth Blue.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Amarth Blue is a little darker, more saturated, warmer than Baharroth Blue.
The same difference applies the other way round: Baharroth Blue is a little lighter, 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 Baharroth Blue on the colour wheel See Amarth Blue on the colour wheel
All matches: Baharroth Blue equivalents · Amarth Blue equivalents