ΔE 17.0, loose: different enough that you should pick on purpose. Health Red is a little darker, much more saturated than Poppy Red.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Health Red is a little darker, much more saturated than Poppy Red.
The same difference applies the other way round: Poppy Red is a little lighter, much 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 Poppy Red on the colour wheel See Health Red on the colour wheel
All matches: Poppy Red equivalents · Health Red equivalents