ΔE 14.1, fair: the same colour family, but not a straight swap. Light Yellow is more saturated, cooler than Inner Light.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Light Yellow is more saturated, cooler than Inner Light.
The same difference applies the other way round: Inner Light is more muted, 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 Inner Light on the colour wheel See Light Yellow on the colour wheel
All matches: Inner Light equivalents · Light Yellow equivalents