ΔE 10.1, fair: the same colour family, but not a straight swap. UK Light Stone is noticeably darker than Yellowed Bone.
Can I use UK Light Stone instead of Yellowed Bone?
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). UK Light Stone is noticeably darker than Yellowed Bone.
Can I use Yellowed Bone instead of UK Light Stone?
The same difference applies the other way round: Yellowed Bone is noticeably 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.