ΔE 14.3, fair: the same colour family, but not a straight swap. Death Guard Green is a little lighter, warmer than Vivid Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Death Guard Green is a little lighter, warmer than Vivid Green.
The same difference applies the other way round: Vivid Green 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 Vivid Green on the colour wheel See Death Guard Green on the colour wheel
All matches: Vivid Green equivalents · Death Guard Green equivalents