Note*
    In order to perform this step you need to be an administrator of your O365 Tenant.

  1. Make sure that you have the latest version of the SharePoint Online Management Shell available on the Microsoft Download site.

  2. Connect to your SharePoint Online tenant by running the SharePoint Online Management Shell as Administrator (right-click on the icon).

    Run SharePoint Online Management Shell as Administrator
  3. Connect to SharePoint Online tenant using following cmdlet:
  4. Connect-SPOService -Url  https://tenant-admin.sharepoint.com -credential $credential

    When the Sign in window pops up, use your admin credentials to log in:

    e.g.
    administrator@tenant.onmicrosoft.com

  5. Go to the extracted YourPackage.zip file, click Color_Palettes folder and open MT-ModernColorPalettes.pdf
  6. In the MT-ModernColorPalettes.pdf file, copy (Ctrl +C) each section between the dotted lines one at a time for each "MT Palette Name" color palette to your clipboard.
  7. Paste the copied section one at a time (Ctrl +V) to the command line within SharePoint Online Management Shell, and press enter.
  8. Important Note:

    • For Modern Duotones (MT-Modern-Theme-01 app) install color palettes from:
      MT-ModernColorPalettes-DUOTONES.pdf.
    • For Modern Monotones (MT-Modern-Theme-02 app) install color palettes from:
      MT-ModernColorPalettes-MONOTONES.pdf, and MT-ModernColorPalettes-ADDITIONAL.pdf.

    This is just an example of a section between the dotted lines. It is not for installation. To install color palettes, copy the sections directly from the MT-ModernColorPalettes.pdf file, not from this example.

    
    ...............................................................................
    
    $themepallette = @{
    "themePrimary" = "#00ffff";
    "themeLighterAlt" = "#00ffff";
    "themeLighter" = "#00ffff";
    "themeLight" = "#00ffff";
    "themeTertiary" = "#00ffff";
    "themeSecondary" = "#00ffff";
    "themeDarkAlt" = "#00ffff";
    "themeDark" = "#00ffff";
    "themeDarker" = "#00ffff";
    "neutralLighterAlt" = "#00ffff";
    "neutralLighter" = "#00ffff";
    "neutralLight" = "#00ffff";
    "neutralQuaternaryAlt" = "#00ffff";
    "neutralQuaternary" = "#00ffff";
    "neutralTertiaryAlt" = "#00ffff";
    "neutralTertiary" = "#00ffff";
    "neutralSecondary" = "#00ffff";
    "neutralPrimaryAlt" = "#00ffff";
    "neutralPrimary" = "#00ffff";
    "neutralDark" = "#00ffff";
    "black" = "#00ffff";
    "white" = "#00ffff";
    "bodyBackground" = "#00ffff";
    "bodyText" = "#00ffff";
    "accent" = "#00ffff";
    }
    Add-SPOTheme -Name "MT Palette Name" -Palette $themepallette -IsInverted $false -Overwrite
    
    ...............................................................................
    
                    

    Note:
    To remove the color palette (SPO theme) use the following cmdlet:

    Remove-SPOTheme -Name "MT Palette Name"

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