Matt Black vs Sap Green

How close are they?

ΔE 12.0, fair: the same colour family, but not a straight swap. Sap Green is noticeably lighter, more saturated than Matt Black.

Can I use Sap Green instead of Matt Black?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Sap Green is noticeably lighter, more saturated than Matt Black.

Can I use Matt Black instead of Sap Green?

The same difference applies the other way round: Matt Black is noticeably darker, 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.