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This article explains how to use the RGB colors in excel file using the app Excel for Confluence on Server.

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1. Ensure you have an excel file with some RGB colors present in it as shown:
   
   
   
2. Log in as a Confluence administrator.
3. Navigate to Image Removed > Add-ons > Find new apps and search for "Excel for Confluence". Ensure you have Excel for Confluence app installed in your Confluence instance.
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4. Log in as any user in your Confluence instance  user and add an excel file containing RGB colors to the attachments Attachments page as required. 
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5. Insert and Edit the Excel macro.
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6. Enter the required fields as shown below:
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   1. Select Output format as html
   2. Enter the Page attachment 
   3. Select the Name of attachment. 
   4. Select cell properties for formatting. 
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7. Save the macro settings and Publish the page.
   
   The output from the macro for the given example shows the data fetched colors as selected from the excel file as an attachment:
   
   

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