ΔE 10.3, fair: the same colour family, but not a straight swap. Carmine Blades is more saturated, cooler than Topaz Skin.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Carmine Blades is more saturated, cooler than Topaz Skin.
The same difference applies the other way round: Topaz Skin is more muted, warmer.
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 Topaz Skin on the colour wheel See Carmine Blades on the colour wheel
All matches: Topaz Skin equivalents · Carmine Blades equivalents