ΔE 11.2, fair: the same colour family, but not a straight swap. Ragweed Orange is a little lighter, more saturated than Blood Red.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Ragweed Orange is a little lighter, more saturated than Blood Red.
The same difference applies the other way round: Blood Red is a little 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.
See Blood Red on the colour wheel See Ragweed Orange on the colour wheel
All matches: Blood Red equivalents · Ragweed Orange equivalents