Safety Orange vs Parasite Brown

How close are they?

ΔE 13.3, fair: the same colour family, but not a straight swap. Parasite Brown is noticeably darker, more muted than Safety Orange.

Can I use Parasite Brown instead of Safety Orange?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Parasite Brown is noticeably darker, more muted than Safety Orange.

Can I use Safety Orange instead of Parasite Brown?

The same difference applies the other way round: Safety Orange is noticeably lighter, more saturated.

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.