ΔE 28.1, loose: different enough that you should pick on purpose. Zima Blue is a little darker, more muted, cooler than Tropical Turquoise.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 28). Zima Blue is a little darker, more muted, cooler than Tropical Turquoise.
The same difference applies the other way round: Tropical Turquoise is a little lighter, 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 Tropical Turquoise on the colour wheel See Zima Blue on the colour wheel
All matches: Tropical Turquoise equivalents · Zima Blue equivalents