Poisonous Cloud vs Megaboss Yellow

How close are they?

ΔE 13.5, fair: the same colour family, but not a straight swap. Megaboss Yellow is a little lighter, more muted, warmer than Poisonous Cloud.

Can I use Megaboss Yellow instead of Poisonous Cloud?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Megaboss Yellow is a little lighter, more muted, warmer than Poisonous Cloud.

Can I use Poisonous Cloud instead of Megaboss Yellow?

The same difference applies the other way round: Poisonous Cloud is a little darker, more saturated, 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.