ΔE 12.5, fair: the same colour family, but not a straight swap. Wrack White is a little darker, more muted than Yellow Bone.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Wrack White is a little darker, more muted than Yellow Bone.
The same difference applies the other way round: Yellow Bone 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 Yellow Bone on the colour wheel See Wrack White on the colour wheel
All matches: Yellow Bone equivalents · Wrack White equivalents