Tyran Blue vs Aether Blue

How close are they?

ΔE 14.7, fair: the same colour family, but not a straight swap. Aether Blue is much more muted, warmer than Tyran Blue.

Can I use Aether Blue instead of Tyran Blue?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Aether Blue is much more muted, warmer than Tyran Blue.

Can I use Tyran Blue instead of Aether Blue?

The same difference applies the other way round: Tyran Blue is much more saturated, 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.