Mournfang Brown vs Transparent Brown

How close are they?

ΔE 11.0, fair: the same colour family, but not a straight swap. Transparent Brown is a little darker, more muted than Mournfang Brown. They are different kinds of paint: Citadel Mournfang Brown is an opaque base/layer paint and Green Stuff World Transparent Brown 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 Brown instead of Mournfang Brown?

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

Can I use Mournfang Brown instead of Transparent Brown?

The same difference applies the other way round: Mournfang Brown is a little lighter, more saturated.

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.