Assign color
You can assign a color to a placeholder by viewing the colorway then selecting Assign color from the Actions menu, or right-clicking its thumbnail, then selecting Assign color from the menu, the following window appears:
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Select the primary color, then the logo color and secondary color, if you want, these attributes can be configured at the catalog level.
Click Assign, the last 3 digits of the colorway number are changed as per the selected color.