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SharePoint's popularity as a collaboration tool has exploded. So the time was right to look at add-on products for expanding its usability, management and customization.

Download the Palette001.spcolor. This palette is the default one in SharePoint 2016 and it clearly shows the bar as black. Open the file with the Colour Palette tool and simply save it with another name. No need to make a single alteration. For example, save it as PAlette000.spcolor so it shows as the first option when changing the look of a theme. To change the color of modern SharePoint within a classic site collection just follow steps below: Open the SharePoint Color Pallet Tool. Click on the color tile next to the Recolor button. Introduce your main color for the theme, it needs to be provided in RGB.

Composed looks are out-of-the-box themes that are included in SharePoint and SharePoint Online. Apply composed looks, including colors, fonts, and a background image, to your SharePoint and SharePoint Online sites by using the SharePoint theming engine.

Important

This extensibility option is only available for classic SharePoint experiences. You cannot use this option with modern experiences in SharePoint Online, like with communication sites.

To apply a composed look to a SharePoint site, select Site Settings > Look and Feel > Change the look. You can then use the Change the Look Wizard to customize the colors, fonts, master page, and background image of a composed look. The Change the Look Wizard copies, transforms, and stores CSS in SharePoint's content database. It also recolors images and stores them in the content database.

SharePoint theming engine

You can use the SharePoint theming engine to apply colors, fonts, and a background image to a site by associating those elements with a master page.

In SharePoint and SharePoint Online, a theme is a connected set of XML definition files, an image file, and an associated master page that you can use to apply custom CSS to a site.

The following XML files define color slots and font slots that define the details of specific colors and fonts as they're applied to styles:

• .spcolor
• .spfont

You can create your own color and font files in your favorite text editor.

The following table lists the elements of a composed look.

Table 1. Elements of a composed look

Free Sharepoint Themes

Users can select composed looks by using the Change the Look Wizard (Site Settings > Look and Feel > Change the Look), the Getting Started UI, or directly in the site actions menu. When a user selects a composed look, the theming engine applies colors, fonts, background images, the associated .master page, and the .preview file associated with the .master page to the site.

Color palettes

The theming engine stores colors in color palettes defined by the .spcolor file, as shown in the following figure.

Color palettes are stored in the Theme Gallery of the root site. A color palette is an editable XML file made up of color palette definitions and color slots.

Color palette metadata (<s:colorPalette>) defines the following:

• Three preview slots that define what color slots to use in composed look previews.
• An isInverted property that lets the palette designer specify whether the theme is inverted (dark background with light text).
• The XML namespace associated with the theme.

Color slots are defined by two attributes—color name and value&mdaash;that define a name for the color and its RGB value. Color slots have semantic names, such as BodyText or SiteTitle, which help you identify which slots correspond to a region of a SharePoint page.

Line 2 of the .spcolor file defines the XML namespace, preview slots, and whether colors are inverted (they have a light foreground on a dark background instead of a dark foreground on a light background).

The .spcolor file contains 89 color slots. You can use color slots to define richer aspects of color, including opacity, by using 8-digit hexadecimal values. For example, if green is RRGGBB 00FF00, a 70 percent opaque green is AARRGGBB 7F00FF00. If SharePoint uses a slot that you don't define, any CSS that references it won't change color. If a slot is defined that is never referenced in CSS, the color is never shown in the UI.

You can edit the .spcolor file in Notepad. You cannot edit it in PowerPoint.

Color palette tool

Free Sharepoint Tools

You can use the color palette tool to visualize theme colors and how they work together on the page. Use it to identify color information that you can use in the color slots of the .spcolor file, and apply colors to a SharePoint site without changing any CSS as part of the process.

The tool displays the colors in hexadecimal format so that you can easily copy and paste the color value into the appropriate element in your .spcolor file. You can also use the color palette tool to fit a background image into a mockup and toggle between the seattle.master and oslo.master master pages.

Color palette tool

The .spcolor file is the only file that is required for a new theme, but you might need to add some custom font declarations, depending on the depth of your design. To do that, you need to access the .spfont file.

Font schemes

In the same way that color palettes define how colors are used in composed looks, font schemes define the fonts in composed looks.

Font schemes are defined in the .spfont file stored in the Theme Gallery. The .spfont file includes the following font slots that define the name, typeface, and script values of a composed look:

• Title
• Navigation
• Small-heading
• Heading
• Large-heading
• Body
• Large-body

Fonts are further scoped by script type (for example, Latin, Arabic, Cyrillic). Web fonts support is included in four file types:

• Embedded open type (EOT)
• Web open font format file (WOFF)
• TrueType font (TTF)
• Scalable vector graphics (SVG)

The font scheme defines a large preview image and a small preview image. They are required only for web fonts.

Note

You can edit the .spfont file in Notepad. You cannot edit it in PowerPoint.

The following is an example of an .spfont file.

Site layout: master pages and corresponding preview files

The theming engine defines the site layout of a composed look based on the .master master page and its corresponding .preview file. For example, if the master page defined for the composed look is seattle.master, that master page defines the layout of the site.

The site layout is pulled from the Master Page Gallery of any master pages that have accompanying .preview files. A .preview file is required for a master page to appear as an option in the Change the look UI (Site Settings > Look and Feel > Change the look).

To make a master page available from the Site Layout menu, create a .preview file that corresponds to the .master page. The .preview file displays thumbnail images for the composed look and the preview section to the right of the Change the look options on the designbuilder.aspx page.

Background image

You can change the background image of a composed look by choosing Change. This opens an upload dialog box that you can use to upload an image file. You can also drag your own image onto the background preview.

Create custom themes

To create a custom theme:

1. Go to Site settings, and under the Web Designer Galleries heading, select Themes > 15. A list of .spcolor and .spfont files appears, as shown here.

2. Download a copy of one of the .spcolor files (for example, Palette001.spcolor) and open it in a text editor.

3. Edit the copied .spcolor file to reflect your design guidelines. For example, if you have a black font for main body text, edit the file to change the line <s:color name='BodyText' value='444444' /> to <s:color name='BodyText' value='000000' />.

4. For each HTML element, add your color.

5. When you are done, upload the .spcolor file to the Site settings > Theme > 15 folder.

   Note

   Save the file with a new file name (for example, custom_palette1.spcolor).

   The following table maps colors and page elements to their code in the .spcolor file. It is a subset of the mappings that are available in the .spcolor file.

   Table 2. Mapping of colors and page elements to .spcolor file

   Element	Color	Code
   Body text	Black	<s:color name='BodyText' value='000000' />
   Global navigation background	Blue	<s:color name='HeaderBackground' value='018dff' />
   Global navigation text	White	<s:color name='HeaderNavigationText' value='ffffff' />
   Current navigation background	Red	<s:color name='NavigationHoverBackground' value='e51400' />
   Current navigation text	White	<s:color name='Navigation' value='ffffff' />
   Title	White	<s:color name='SiteTitle' value='FFFFFF' />
   Footer background	Black	<s:color name='FooterBackground' value='000000' />

6. To customize .spfont, download a copy of an .spfont file and open it in a text editor. Notice that the .spfont file is laid out a bit differently than .spcolor, but that both files share a similar structure.

7. Edit each <s:fontSlot /> section to customize the font that SharePoint applies to the specified font slot on the page. For example, notice the first entry, <s:fontSlot name='title'>. This entry describes which font SharePoint uses to style the title of the page. This section also specifies which font is used for different languages.

   Note

   You can upload custom fonts to SharePoint and point each entry to a custom .eot, .woff, .ttf, and .svg file.

8. Upload the file to the Site settings > Theme > 15 folder.

   Note

   Save the file with a new file name (for example, custom_font.spfont).

   The following table maps page elements to fonts as they're defined in the .spfont file.

   Table 3. Mapping of page elements to fonts

   Element	Font	Code
   Title	Open Sans	<s:cs typeface='Open Sans' />
   Navigation	Roboto	<s:cs typeface='Roboto' />
   Headings	Trajan Pro	<s:cs typeface='Trajan Pro' />
   Body	Open Sans	<s:cs typeface='Open Sans' />

   You might have to ensure that some custom fonts are available to users' browsers. For example, if the headings refer to a Trajan Pro font, which is uncommon on most users' computers, add the following font declarations at the top of the <s:fontSlot> declaration. This will ensure that the correct font is displayed.

Add a custom theme to SharePoint

After you make your customizations to the master page, .spcolor, and .spfont files, add them to the Composed Looks directory so that SharePoint can access them.

1. Go to Site settings, and under Web Designer Galleries, select Composed Looks.

2. Choose the new item link at the top left. The following window opens.

3. Add a title and a name for your composed look.

4. Complete the remaining fields:

   • In the Master Page URL field, add the URL of the master page that you would like the theme to use.

   • In Theme URL, add the URL of the .spcolor file.

   • In Image URL, include the URL of an image that you want to use as a background. This is not required if your design doesn't call for a background image.

   • In Font Scheme URL, include the URL of the .spfont file.

   • In Display Order, indicate the order in which the composed look should be displayed.

5. Choose Save. Your theme entry appears in the Composed Looks list.

After you add your custom theme as a composed look, users can access the theme and apply it to a site by going to Site settings > Look and Feel > Change the look.

The following figure shows an example of a Change the look section in Site Settings.

What the theming engine does when a user applies a composed look

When a user applies a composed look, SharePoint copies, transforms, and stores CSS in the content database. It also recolors and stores images in the content database. As part of the process of applying a theme to a site, the theming engine pulls color and font values from the specified color palette and font scheme found in the Theme Gallery of the root site. To apply .master page and the master page .preview file (the site layout), the theming engine pulls master pages in the Master Page Gallery that have a corresponding .preview file.

When it applies a composed look, the engine maps the settings specified by specific CSS comments that the theming engine defines. Under the hood, the theming engine saves the background image to Site Assets, scales and compresses JPG and BMP images, and limits the size of GIF and PNG images.

When a composed look is applied to a SharePoint site, SharePoint finds and replaces CSS comment tokens by embedding a value derived from the composed look in the next line in the CSS file after the token. This new value is applied to the SharePoint site.

The following table lists the CSS comment tokens.

Table 4. CSS comment tokens

See also