ΔE 14.0, fair: the same colour family, but not a straight swap. Titan Buff is a little lighter, more muted, cooler than Light Orange.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Titan Buff is a little lighter, more muted, cooler than Light Orange.
The same difference applies the other way round: Light Orange is a little darker, 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 Light Orange on the colour wheel See Titan Buff on the colour wheel
All matches: Light Orange equivalents · Titan Buff equivalents