I'm going to keep the yellow inspiration coming just because it's spring and I see yellow everywhere.
Here's some lovely butter colored filigree from Paloma Antiqua, whose shop is a lovely yellow color. I love how the brass shows through the yellow just slightly balancing out the color:
Shorn Sheep uses deeply hued yellow in her shop but it shows off these antique German tags to great effect:
Maybe you need the palest of raffia for your packaging?
You can spoon your sugar and pour your cream from these vintage Moderntone Glass sugar bowl and creamer:
Pour some coffee and see what you can come up with today that uses yellow.