ΔE 11.4, fair: the same colour family, but not a straight swap. Chameleon Orange is a little darker, warmer than Poppy Red.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Chameleon Orange is a little darker, warmer than Poppy Red.
The same difference applies the other way round: Poppy Red is a little lighter, 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 Poppy Red on the colour wheel See Chameleon Orange on the colour wheel
All matches: Poppy Red equivalents · Chameleon Orange equivalents