Nickel Azo Yellow vs Sand Yellow

How close are they?

ΔE 11.0, fair: the same colour family, but not a straight swap. Sand Yellow is noticeably lighter than Nickel Azo Yellow.

Can I use Sand Yellow instead of Nickel Azo Yellow?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Sand Yellow is noticeably lighter than Nickel Azo Yellow.

Can I use Nickel Azo Yellow instead of Sand Yellow?

The same difference applies the other way round: Nickel Azo Yellow is noticeably darker.

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.