ΔE 12.1, fair: the same colour family, but not a straight swap. Deep Yellow is a little darker, more muted than Battle of Yellow Tavern.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Deep Yellow is a little darker, more muted than Battle of Yellow Tavern.
The same difference applies the other way round: Battle of Yellow Tavern 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.
See Battle of Yellow Tavern on the colour wheel See Deep Yellow on the colour wheel
All matches: Battle of Yellow Tavern equivalents · Deep Yellow equivalents