ΔE 14.7, fair: the same colour family, but not a straight swap. Interior Grey Green is a little lighter, much more saturated than Graphite.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Interior Grey Green is a little lighter, much more saturated than Graphite.
The same difference applies the other way round: Graphite is a little darker, much 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 Graphite on the colour wheel See Interior Grey Green on the colour wheel
All matches: Graphite equivalents · Interior Grey Green equivalents