Russ Grey vs Field Gray 2

How close are they?

ΔE 12.2, fair: the same colour family, but not a straight swap. Field Gray 2 is a little darker, more muted, cooler than Russ Grey.

Can I use Field Gray 2 instead of Russ Grey?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Field Gray 2 is a little darker, more muted, cooler than Russ Grey.

Can I use Russ Grey instead of Field Gray 2?

The same difference applies the other way round: Russ Grey is a little lighter, 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.