ΔE 10.1, fair: the same colour family, but not a straight swap. Starship Steel is more muted, cooler than Metallic Blue Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Starship Steel is more muted, cooler than Metallic Blue Green.
The same difference applies the other way round: Metallic Blue Green is more saturated, 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.
See Metallic Blue Green on the colour wheel See Starship Steel on the colour wheel
All matches: Metallic Blue Green equivalents · Starship Steel equivalents