❓ Prompt

💬 Answer

Customizing the "Central Theme" in SharePoint to match your company's color theme involves a few steps, including creating a custom theme and applying it to your SharePoint site. Here’s how you can do it:

Step 1: Create a Custom Theme

1. Define the Theme Colors:

   • Create a JSON file defining your theme colors. Below is an example template for a custom theme JSON file:

     {
       "themePrimary": "#0078d4",
       "themeLighterAlt": "#eff6fc",
       "themeLighter": "#deecf9",
       "themeLight": "#c7e0f4",
       "themeTertiary": "#71afe5",
       "themeSecondary": "#2b88d8",
       "themeDarkAlt": "#106ebe",
       "themeDark": "#005a9e",
       "themeDarker": "#004578",
       "neutralLighterAlt": "#faf9f8",
       "neutralLighter": "#f3f2f1",
       "neutralLight": "#edebe9",
       "neutralQuaternaryAlt": "#e1dfdd",
       "neutralQuaternary": "#d0d0d0",
       "neutralTertiaryAlt": "#c8c6c4",
       "neutralTertiary": "#a19f9d",
       "neutralSecondary": "#605e5c",
       "neutralPrimaryAlt": "#3b3a39",
       "neutralPrimary": "#323130",
       "neutralDark": "#201f1e",
       "black": "#000000",
       "white": "#ffffff"
     }
     

   • Replace the hex color codes with your company's brand colors.

2. Upload the JSON File:
   • Save the JSON file with a meaningful name, e.g., company-theme.json.

Step 2: Apply the Custom Theme in SharePoint

1. Access the Theme Gallery:
   • Go to your SharePoint admin center.
   • Navigate to Settings -> Classic settings page.
   • Under the Web Designer Galleries, click Themes.
2. Upload Your Theme:
   • Click New Item.
   • Upload the company-theme.json file.
3. Apply the Theme to a Site:
   • Navigate to the SharePoint site where you want to apply the theme.
   • Click on the settings icon (gear icon) in the top right corner.
   • Select Change the look -> Theme.
   • You should see your custom theme listed. Select it and click Save.

Step 3: Customize Further if Needed

• If you need to customize more elements or if the theme is not fully applying as expected, you might need to use SharePoint Framework (SPFx) or PowerShell for more advanced theming options.

Using PowerShell to Upload and Apply the Theme

1. Install SharePoint Online Management Shell if not already installed.

2. Connect to Your SharePoint Online:

   Connect-SPOService -Url <https://yourdomain-admin.sharepoint.com>
   

3. Create and Apply the Theme:

   Add-SPOTheme -Identity "Company Theme" -Palette @{
     "themePrimary" = "#0078d4"
     "themeLighterAlt" = "#eff6fc"
     "themeLighter" = "#deecf9"
     "themeLight" = "#c7e0f4"
     "themeTertiary" = "#71afe5"
     "themeSecondary" = "#2b88d8"
     "themeDarkAlt" = "#106ebe"
     "themeDark" = "#005a9e"
     "themeDarker" = "#004578"
     "neutralLighterAlt" = "#faf9f8"
     "neutralLighter" = "#f3f2f1"
     "neutralLight" = "#edebe9"
     "neutralQuaternaryAlt" = "#e1dfdd"
     "neutralQuaternary" = "#d0d0d0"
     "neutralTertiaryAlt" = "#c8c6c4"
     "neutralTertiary" = "#a19f9d"
     "neutralSecondary" = "#605e5c"
     "neutralPrimaryAlt" = "#3b3a39"
     "neutralPrimary" = "#323130"
     "neutralDark" = "#201f1e"
     "black" = "#000000"
     "white" = "#ffffff"
   }
   Set-SPOTheme -Identity "Company Theme" -IsInverted $false
   

This will add your custom theme to the theme gallery and apply it across the desired SharePoint sites.

Following these steps will help you customize the "Central Theme" in SharePoint to match your company's branding. If you encounter any issues or need further customization, feel free to ask!