ΔE 13.6, fair: the same colour family, but not a straight swap. Ice Yellow is a little lighter, cooler than Light Orange.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Ice Yellow is a little lighter, cooler than Light Orange.
The same difference applies the other way round: Light Orange is a little darker, 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 Ice Yellow on the colour wheel
All matches: Light Orange equivalents · Ice Yellow equivalents