ΔE 8.3, close: similar, with a visible difference side by side. Chainmail is a little lighter than Cold Steel.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Chainmail is a little lighter than Cold Steel.
The same difference applies the other way round: Cold Steel is a little darker.
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 Cold Steel on the colour wheel See Chainmail on the colour wheel
All matches: Cold Steel equivalents · Chainmail equivalents