ΔE 11.6, fair: the same colour family, but not a straight swap. UK BSC is noticeably darker, more muted than Creamy Ivory.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). UK BSC is noticeably darker, more muted than Creamy Ivory.
The same difference applies the other way round: Creamy Ivory is noticeably 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 Creamy Ivory on the colour wheel See UK BSC on the colour wheel
All matches: Creamy Ivory equivalents · UK BSC equivalents