Yellow Flame vs Yellow Ochre

How close are they?

ΔE 14.5, fair: the same colour family, but not a straight swap. Yellow Ochre is a little darker, more muted than Yellow Flame.

Can I use Yellow Ochre instead of Yellow Flame?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Yellow Ochre is a little darker, more muted than Yellow Flame.

Can I use Yellow Flame instead of Yellow Ochre?

The same difference applies the other way round: Yellow Flame 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.