ΔE 9.4, close: similar, with a visible difference side by side. Insignia White is more muted, cooler than Titan Buff.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Insignia White is more muted, cooler than Titan Buff.
The same difference applies the other way round: Titan Buff 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 Titan Buff on the colour wheel See Insignia White on the colour wheel
All matches: Titan Buff equivalents · Insignia White equivalents