Warm Yellow vs Flat Yellow

How close are they?

ΔE 7.1, close: similar, with a visible difference side by side. Flat Yellow is more muted than Warm Yellow.

✓ Herrick Games paint comparison chart lists these two as equivalents.

Can I use Flat Yellow instead of Warm Yellow?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Flat Yellow is more muted than Warm Yellow.

Can I use Warm Yellow instead of Flat Yellow?

The same difference applies the other way round: Warm 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.