Sons of Horus Green vs Coal Black

How close are they?

ΔE 19.2, loose: different enough that you should pick on purpose. Coal Black is a little darker, more muted, cooler than Sons of Horus Green.

Can I use Coal Black instead of Sons of Horus Green?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 19). Coal Black is a little darker, more muted, cooler than Sons of Horus Green.

Can I use Sons of Horus Green instead of Coal Black?

The same difference applies the other way round: Sons of Horus Green is a little lighter, more saturated, 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.