ΔE 21.5, loose: different enough that you should pick on purpose. Metallic Blue Green is a little darker, much more saturated than Iron Hands Steel.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 21). Metallic Blue Green is a little darker, much more saturated than Iron Hands Steel.
The same difference applies the other way round: Iron Hands Steel is a little lighter, 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 Iron Hands Steel on the colour wheel See Metallic Blue Green on the colour wheel
All matches: Iron Hands Steel equivalents · Metallic Blue Green equivalents