ΔE 8.5, close: similar, with a visible difference side by side. Light Green RLM25 is more muted, cooler than Poison Ivy.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Light Green RLM25 is more muted, cooler than Poison Ivy.
The same difference applies the other way round: Poison Ivy is more saturated, warmer.
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 Poison Ivy on the colour wheel See Light Green RLM25 on the colour wheel
All matches: Poison Ivy equivalents · Light Green RLM25 equivalents