Field Gray vs Green RLM62

How close are they?

ΔE 14.0, fair: the same colour family, but not a straight swap. Green RLM62 is noticeably darker, more saturated, warmer than Field Gray.

Can I use Green RLM62 instead of Field Gray?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Green RLM62 is noticeably darker, more saturated, warmer than Field Gray.

Can I use Field Gray instead of Green RLM62?

The same difference applies the other way round: Field Gray is noticeably 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.