Barren Dune vs Hykey Yellow

How close are they?

ΔE 11.8, fair: the same colour family, but not a straight swap. Hykey Yellow is a little lighter, more muted than Barren Dune.

Can I use Hykey Yellow instead of Barren Dune?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Hykey Yellow is a little lighter, more muted than Barren Dune.

Can I use Barren Dune instead of Hykey Yellow?

The same difference applies the other way round: Barren Dune is a little darker, 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.