ΔE 17.3, loose: different enough that you should pick on purpose. Monastic Green is noticeably darker, more muted than Kroxigor Scales.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Monastic Green is noticeably darker, more muted than Kroxigor Scales.
The same difference applies the other way round: Kroxigor Scales is noticeably lighter, 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 Kroxigor Scales on the colour wheel See Monastic Green on the colour wheel
All matches: Kroxigor Scales equivalents · Monastic Green equivalents