ΔE 23.3, loose: different enough that you should pick on purpose. Mahogany Ink is a little lighter, warmer than Inktense Olive.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 23). Mahogany Ink is a little lighter, warmer than Inktense Olive.
The same difference applies the other way round: Inktense Olive is a little darker, 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 Inktense Olive on the colour wheel See Mahogany Ink on the colour wheel
All matches: Inktense Olive equivalents · Mahogany Ink equivalents