Aggressor Blue FS 35109 vs Medieval Forest

How close are they?

ΔE 13.6, fair: the same colour family, but not a straight swap. Medieval Forest is a little lighter, more saturated, warmer than Aggressor Blue FS 35109.

Can I use Medieval Forest instead of Aggressor Blue FS 35109?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Medieval Forest is a little lighter, more saturated, warmer than Aggressor Blue FS 35109.

Can I use Aggressor Blue FS 35109 instead of Medieval Forest?

The same difference applies the other way round: Aggressor Blue FS 35109 is a little darker, more muted, 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.