ΔE 12.6, fair: the same colour family, but not a straight swap. Forged Red is more saturated, cooler than Life On Mars.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Forged Red is more saturated, cooler than Life On Mars.
The same difference applies the other way round: Life On Mars is more muted, warmer.
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 Life On Mars on the colour wheel See Forged Red on the colour wheel
All matches: Life On Mars equivalents · Forged Red equivalents