ΔE 5.6, very close: most people won’t see a difference side by side. Plague Brown is a little darker than Transparent Yellow Iron Oxide.
Yes, for most jobs. Very close match (ΔE 6). Plague Brown is a little darker than Transparent Yellow Iron Oxide.
The same difference applies the other way round: Transparent Yellow Iron Oxide is a little lighter.
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 Transparent Yellow Iron Oxide on the colour wheel See Plague Brown on the colour wheel
All matches: Transparent Yellow Iron Oxide equivalents · Plague Brown equivalents