ΔE 14.6, fair: the same colour family, but not a straight swap. US Dark Green is noticeably lighter, more saturated than Carbon Black.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). US Dark Green is noticeably lighter, more saturated than Carbon Black.
The same difference applies the other way round: Carbon Black is noticeably darker, more muted.
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.
See Carbon Black on the colour wheel See US Dark Green on the colour wheel
All matches: Carbon Black equivalents · US Dark Green equivalents