ΔE 7.7, close: similar, with a visible difference side by side. Splinter Green is more muted, warmer than Guardian Green.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Splinter Green is more muted, warmer than Guardian Green.
The same difference applies the other way round: Guardian Green is 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 Guardian Green on the colour wheel See Splinter Green on the colour wheel
All matches: Guardian Green equivalents · Splinter Green equivalents