Tundra Taupe vs Bastion Grey

How close are they?

ΔE 13.3, fair: the same colour family, but not a straight swap. Bastion Grey is noticeably lighter, cooler than Tundra Taupe.

Can I use Bastion Grey instead of Tundra Taupe?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Bastion Grey is noticeably lighter, cooler than Tundra Taupe.

Can I use Tundra Taupe instead of Bastion Grey?

The same difference applies the other way round: Tundra Taupe is noticeably darker, warmer.

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.