Gray FS36622 vs Ivory

How close are they?

ΔE 10.6, fair: the same colour family, but not a straight swap. Ivory is a little darker, warmer than Gray FS36622.

Can I use Ivory instead of Gray FS36622?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Ivory is a little darker, warmer than Gray FS36622.

Can I use Gray FS36622 instead of Ivory?

The same difference applies the other way round: Gray FS36622 is a little lighter, 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.