Silver Grey vs Bleached Bone

How close are they?

ΔE 7.3, close: similar, with a visible difference side by side. Bleached Bone is a little lighter, more muted than Silver Grey.

Can I use Bleached Bone instead of Silver Grey?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Bleached Bone is a little lighter, more muted than Silver Grey.

Can I use Silver Grey instead of Bleached Bone?

The same difference applies the other way round: Silver Grey is a little darker, 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.