Angron Red Clear vs Orange

How close are they?

ΔE 15.3, loose: different enough that you should pick on purpose. Orange is a little lighter, more saturated, warmer than Angron Red Clear. They are different kinds of paint: Citadel Angron Red Clear is an opaque base/layer paint and Green Stuff World Orange 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 Orange instead of Angron Red Clear?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). Orange is a little lighter, more saturated, warmer than Angron Red Clear. They are different kinds of paint.

Can I use Angron Red Clear instead of Orange?

The same difference applies the other way round: Angron Red Clear is a little darker, more muted, cooler.

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.