ΔE 31.3, loose: different enough that you should pick on purpose. Ink Black Green is noticeably darker, much more muted, warmer than Viridian Green Hue.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 31). Ink Black Green is noticeably darker, much more muted, warmer than Viridian Green Hue.
The same difference applies the other way round: Viridian Green Hue is noticeably lighter, much more saturated, cooler.
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 Viridian Green Hue on the colour wheel See Ink Black Green on the colour wheel
All matches: Viridian Green Hue equivalents · Ink Black Green equivalents