ΔE 10.9, fair: the same colour family, but not a straight swap. Turquoise Siren is more muted, cooler than Jade Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Turquoise Siren is more muted, cooler than Jade Green.
The same difference applies the other way round: Jade Green is more saturated, 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 Jade Green on the colour wheel See Turquoise Siren on the colour wheel
All matches: Jade Green equivalents · Turquoise Siren equivalents