ΔE 10.4, fair: the same colour family, but not a straight swap. Agent Orange is a little lighter, more saturated, warmer than Violent Vermillion.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Agent Orange is a little lighter, more saturated, warmer than Violent Vermillion.
The same difference applies the other way round: Violent Vermillion is a little darker, more muted, cooler.
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 Violent Vermillion on the colour wheel See Agent Orange on the colour wheel
All matches: Violent Vermillion equivalents · Agent Orange equivalents