ΔE 11.7, fair: the same colour family, but not a straight swap. Quinacridone Red Light is noticeably darker, more muted than Molten Lava.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Quinacridone Red Light is noticeably darker, more muted than Molten Lava.
The same difference applies the other way round: Molten Lava 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 Molten Lava on the colour wheel See Quinacridone Red Light on the colour wheel
All matches: Molten Lava equivalents · Quinacridone Red Light equivalents