ΔE 15.0, fair: the same colour family, but not a straight swap. Lemon Yellow is more saturated, cooler than Megaboss Yellow.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Lemon Yellow is more saturated, cooler than Megaboss Yellow.
The same difference applies the other way round: Megaboss Yellow is more muted, warmer.
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 Megaboss Yellow on the colour wheel See Lemon Yellow on the colour wheel
All matches: Megaboss Yellow equivalents · Lemon Yellow equivalents