ΔE 12.7, fair: the same colour family, but not a straight swap. Hydra Turquoise is noticeably darker, more saturated, cooler than Turquoise Interference.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Hydra Turquoise is noticeably darker, more saturated, cooler than Turquoise Interference.
The same difference applies the other way round: Turquoise Interference 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 Turquoise Interference on the colour wheel See Hydra Turquoise on the colour wheel
All matches: Turquoise Interference equivalents · Hydra Turquoise equivalents