Dark Mud vs Olive Green RLM80

How close are they?

ΔE 14.9, fair: the same colour family, but not a straight swap. Olive Green RLM80 is a little lighter, more muted, cooler than Dark Mud.

Can I use Olive Green RLM80 instead of Dark Mud?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Olive Green RLM80 is a little lighter, more muted, cooler than Dark Mud.

Can I use Dark Mud instead of Olive Green RLM80?

The same difference applies the other way round: Dark Mud is a little darker, 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.