ΔE 22.9, loose: different enough that you should pick on purpose. Ocean Light is noticeably lighter, cooler than Hydra Turquoise.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 23). Ocean Light is noticeably lighter, cooler than Hydra Turquoise.
The same difference applies the other way round: Hydra Turquoise is noticeably darker, 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 Hydra Turquoise on the colour wheel See Ocean Light on the colour wheel
All matches: Hydra Turquoise equivalents · Ocean Light equivalents