Murderous Magenta vs Crimson

How close are they?

ΔE 14.7, fair: the same colour family, but not a straight swap. Crimson is noticeably lighter, more saturated than Murderous Magenta.

Can I use Crimson instead of Murderous Magenta?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Crimson is noticeably lighter, more saturated than Murderous Magenta.

Can I use Murderous Magenta instead of Crimson?

The same difference applies the other way round: Murderous Magenta is noticeably darker, 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.