ΔE 6.3, close: similar, with a visible difference side by side. Bright Shadow Flesh is a little darker than Rosy Skin.
Usually, if you are not matching paint already on the model. Close match (ΔE 6). Bright Shadow Flesh is a little darker than Rosy Skin.
The same difference applies the other way round: Rosy Skin is a little lighter.
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 Rosy Skin on the colour wheel See Bright Shadow Flesh on the colour wheel
All matches: Rosy Skin equivalents · Bright Shadow Flesh equivalents