Inner Light vs Sandy Yellow

How close are they?

ΔE 10.5, fair: the same colour family, but not a straight swap. Sandy Yellow is a little darker, more muted than Inner Light.

Can I use Sandy Yellow instead of Inner Light?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Sandy Yellow is a little darker, more muted than Inner Light.

Can I use Inner Light instead of Sandy Yellow?

The same difference applies the other way round: Inner Light is a little lighter, more saturated.

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.