ΔE 15.1, loose: different enough that you should pick on purpose. Iron Man is a little lighter, more muted than Bramble Grove.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). Iron Man is a little lighter, more muted than Bramble Grove.
The same difference applies the other way round: Bramble Grove is a little darker, more saturated.
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 Bramble Grove on the colour wheel See Iron Man on the colour wheel
All matches: Bramble Grove equivalents · Iron Man equivalents