APC Interior Light Green (FS24533) vs Aged White

How close are they?

ΔE 10.9, fair: the same colour family, but not a straight swap. Aged White is a little lighter, warmer than APC Interior Light Green (FS24533).

Can I use Aged White instead of APC Interior Light Green (FS24533)?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Aged White is a little lighter, warmer than APC Interior Light Green (FS24533).

Can I use APC Interior Light Green (FS24533) instead of Aged White?

The same difference applies the other way round: APC Interior Light Green (FS24533) is a little darker, 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.