Washable Dust vs US Earth Yellow

How close are they?

ΔE 8.1, close: similar, with a visible difference side by side. US Earth Yellow is more muted, warmer than Washable Dust.

Can I use US Earth Yellow instead of Washable Dust?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). US Earth Yellow is more muted, warmer than Washable Dust.

Can I use Washable Dust instead of US Earth Yellow?

The same difference applies the other way round: Washable Dust 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.