ΔE 12.9, fair: the same colour family, but not a straight swap. Yellow Submarine is a little darker, more muted than Ironjawz Yellow.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Yellow Submarine is a little darker, more muted than Ironjawz Yellow.
The same difference applies the other way round: Ironjawz Yellow is a little lighter, 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 Ironjawz Yellow on the colour wheel See Yellow Submarine on the colour wheel
All matches: Ironjawz Yellow equivalents · Yellow Submarine equivalents