ΔE 26.1, loose: different enough that you should pick on purpose. Sick Green is noticeably darker, much more muted than Light Green (Blue Shade).
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 26). Sick Green is noticeably darker, much more muted than Light Green (Blue Shade).
The same difference applies the other way round: Light Green (Blue Shade) is noticeably lighter, 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 Light Green (Blue Shade) on the colour wheel See Sick Green on the colour wheel
All matches: Light Green (Blue Shade) equivalents · Sick Green equivalents