ΔE 14.3, fair: the same colour family, but not a straight swap. Turquoise is a little lighter, much more saturated, cooler than Huldra Blue.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Turquoise is a little lighter, much more saturated, cooler than Huldra Blue.
The same difference applies the other way round: Huldra Blue is a little darker, much 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 Huldra Blue on the colour wheel See Turquoise on the colour wheel
All matches: Huldra Blue equivalents · Turquoise equivalents