Bestial Green vs Light Green RLM25

How close are they?

ΔE 18.1, loose: different enough that you should pick on purpose. Light Green RLM25 is a little lighter, more saturated, cooler than Bestial Green.

Can I use Light Green RLM25 instead of Bestial Green?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Light Green RLM25 is a little lighter, more saturated, cooler than Bestial Green.

Can I use Bestial Green instead of Light Green RLM25?

The same difference applies the other way round: Bestial Green is a little darker, more muted, 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.