ΔE 11.4, fair: the same colour family, but not a straight swap. Inner Light is a little darker, more saturated, warmer than Interior Yellow Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Inner Light is a little darker, more saturated, warmer than Interior Yellow Green.
The same difference applies the other way round: Interior Yellow Green is a little lighter, more muted, cooler.
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 Interior Yellow Green on the colour wheel See Inner Light on the colour wheel
All matches: Interior Yellow Green equivalents · Inner Light equivalents