Sons of Horus Green vs Grass Green

How close are they?

ΔE 8.0, close: similar, with a visible difference side by side. Grass Green is more saturated, warmer than Sons of Horus Green.

Can I use Grass Green instead of Sons of Horus Green?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Grass Green is more saturated, warmer than Sons of Horus Green.

Can I use Sons of Horus Green instead of Grass Green?

The same difference applies the other way round: Sons of Horus Green is more muted, 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.