Hardened Leather vs Transparent Ochre

How close are they?

ΔE 11.4, fair: the same colour family, but not a straight swap. Transparent Ochre is a little darker, more muted, cooler than Hardened Leather. They are different kinds of paint: Army Painter Hardened Leather is a one-coat contrast-style paint and Green Stuff World Transparent Ochre is an ink, glaze or transparent paint, so they won’t behave the same on the model even where the colour is close.

Can I use Transparent Ochre instead of Hardened Leather?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Transparent Ochre is a little darker, more muted, cooler than Hardened Leather. They are different kinds of paint.

Can I use Hardened Leather instead of Transparent Ochre?

The same difference applies the other way round: Hardened Leather 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.