Wyvern Fury vs Quinacridone Burnt Orange

How close are they?

ΔE 15.6, loose: different enough that you should pick on purpose. Quinacridone Burnt Orange is a little darker, warmer than Wyvern Fury.

Can I use Quinacridone Burnt Orange instead of Wyvern Fury?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 16). Quinacridone Burnt Orange is a little darker, warmer than Wyvern Fury.

Can I use Wyvern Fury instead of Quinacridone Burnt Orange?

The same difference applies the other way round: Wyvern Fury is a little lighter, 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.