While defining the colors of a design system, designers commonly use the same colors multiple times if they’re used in different contexts. For example, you may have the same shade of gray used both as the Shadow color and as the Secondary Text color. These are called semantic colors since they're named after what they're used for rather than what they look like.

In order to export semantic colors to Zeplin, they need to be defined in your design file first:

When you export the semantic colors from your design file to Zeplin, they will be added to the styleguide.

You can check the articles below to learn more about how to export colors and color variables: