Troll Claws vs Yellow FS33531

How close are they?

ΔE 7.7, close: similar, with a visible difference side by side. Yellow FS33531 is more muted, warmer than Troll Claws.

Can I use Yellow FS33531 instead of Troll Claws?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Yellow FS33531 is more muted, warmer than Troll Claws.

Can I use Troll Claws instead of Yellow FS33531?

The same difference applies the other way round: Troll Claws is 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.