ΔE 17.4, loose: different enough that you should pick on purpose. Red Orange is a little lighter, warmer than Angelic Red.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Red Orange is a little lighter, warmer than Angelic Red.
The same difference applies the other way round: Angelic Red is a little darker, 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 Angelic Red on the colour wheel See Red Orange on the colour wheel
All matches: Angelic Red equivalents · Red Orange equivalents