ΔE 15.3, loose: different enough that you should pick on purpose. Chrome (Metallic) is a little lighter, much more muted than Sharkfin Blue.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). Chrome (Metallic) is a little lighter, much more muted than Sharkfin Blue.
The same difference applies the other way round: Sharkfin Blue is a little darker, much more saturated.
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 Sharkfin Blue on the colour wheel See Chrome (Metallic) on the colour wheel
All matches: Sharkfin Blue equivalents · Chrome (Metallic) equivalents