ΔE 7.8, close: similar, with a visible difference side by side. Transparent Yellow Iron Oxide is a little darker, more saturated than Phoenix Flames.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Transparent Yellow Iron Oxide is a little darker, more saturated than Phoenix Flames.
The same difference applies the other way round: Phoenix Flames is a little lighter, 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.
See Phoenix Flames on the colour wheel See Transparent Yellow Iron Oxide on the colour wheel
All matches: Phoenix Flames equivalents · Transparent Yellow Iron Oxide equivalents