Pale Olive vs Pastel Green

How close are they?

ΔE 11.5, fair: the same colour family, but not a straight swap. Pastel Green is a little darker, more saturated, warmer than Pale Olive.

Can I use Pastel Green instead of Pale Olive?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Pastel Green is a little darker, more saturated, warmer than Pale Olive.

Can I use Pale Olive instead of Pastel Green?

The same difference applies the other way round: Pale Olive is a little lighter, 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.