ΔE 12.8, fair: the same colour family, but not a straight swap. Flat Yellow is a little darker, more saturated than Golden Cream.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Flat Yellow is a little darker, more saturated than Golden Cream.
The same difference applies the other way round: Golden Cream 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 Golden Cream on the colour wheel See Flat Yellow on the colour wheel
All matches: Golden Cream equivalents · Flat Yellow equivalents