ΔE 12.2, fair: the same colour family, but not a straight swap. Toxic Yellow is more muted than Valkyrie Yellow.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Toxic Yellow is more muted than Valkyrie Yellow.
The same difference applies the other way round: Valkyrie Yellow is 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 Valkyrie Yellow on the colour wheel See Toxic Yellow on the colour wheel
All matches: Valkyrie Yellow equivalents · Toxic Yellow equivalents