F-15 Dark Grey (Mod Eagle) FS 36176 vs Dawnstone

How close are they?

ΔE 9.0, close: similar, with a visible difference side by side. Dawnstone is a little darker than F-15 Dark Grey (Mod Eagle) FS 36176.

Can I use Dawnstone instead of F-15 Dark Grey (Mod Eagle) FS 36176?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). Dawnstone is a little darker than F-15 Dark Grey (Mod Eagle) FS 36176.

Can I use F-15 Dark Grey (Mod Eagle) FS 36176 instead of Dawnstone?

The same difference applies the other way round: F-15 Dark Grey (Mod Eagle) FS 36176 is a little lighter.

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.