ΔE 14.2, fair: the same colour family, but not a straight swap. Aged White is a little lighter, more saturated, warmer than Trollblood Highlight.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Aged White is a little lighter, more saturated, warmer than Trollblood Highlight.
The same difference applies the other way round: Trollblood Highlight is a little darker, more muted, cooler.
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 Trollblood Highlight on the colour wheel See Aged White on the colour wheel
All matches: Trollblood Highlight equivalents · Aged White equivalents