ΔE 5.8, very close: most people won’t see a difference side by side. Ivory is more muted, cooler than Titan Buff.
Yes, for most jobs. Very close match (ΔE 6). Ivory 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 Ivory on the colour wheel
All matches: Titan Buff equivalents · Ivory equivalents