ΔE 10.0, close: similar, with a visible difference side by side. Amaranth Red is a little darker, more muted than Salmon Skin.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Amaranth Red is a little darker, more muted than Salmon Skin.
The same difference applies the other way round: Salmon Skin 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.
See Salmon Skin on the colour wheel See Amaranth Red on the colour wheel
All matches: Salmon Skin equivalents · Amaranth Red equivalents