Sunpetal vs Hansa Yellow Opaque

How close are they?

ΔE 11.6, fair: the same colour family, but not a straight swap. Hansa Yellow Opaque is a little lighter, cooler than Sunpetal.

Can I use Hansa Yellow Opaque instead of Sunpetal?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Hansa Yellow Opaque is a little lighter, cooler than Sunpetal.

Can I use Sunpetal instead of Hansa Yellow Opaque?

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