SLA Blue vs Evergreen Fog

How close are they?

ΔE 6.2, close: similar, with a visible difference side by side. Evergreen Fog is more saturated, warmer than SLA Blue.

Can I use Evergreen Fog instead of SLA Blue?

Usually, if you are not matching paint already on the model. Close match (ΔE 6). Evergreen Fog is more saturated, warmer than SLA Blue.

Can I use SLA Blue instead of Evergreen Fog?

The same difference applies the other way round: SLA Blue 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.