ΔE 20.0, loose: different enough that you should pick on purpose. Copper is a little lighter, much more saturated than Hashut Copper.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 20). Copper is a little lighter, much more saturated than Hashut Copper.
The same difference applies the other way round: Hashut Copper is a little darker, much more muted.
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 Hashut Copper on the colour wheel See Copper on the colour wheel
All matches: Hashut Copper equivalents · Copper equivalents