Blood Red vs Dark Vermilion

How close are they?

ΔE 11.2, fair: the same colour family, but not a straight swap. Dark Vermilion is a little darker, more muted than Blood Red.

Can I use Dark Vermilion instead of Blood Red?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Dark Vermilion is a little darker, more muted than Blood Red.

Can I use Blood Red instead of Dark Vermilion?

The same difference applies the other way round: Blood Red 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.