Along with Hypertext Markup Language and Cascading Style Sheets, your blog theme includes special variables unique to Tumblr. The "{block:Title}," "{/block:Title}" and "{Title}" variables together render the title of your blog posts; if these tags are missing from your document code, none of the posts in your theme will include a subject line. To further personalize your theme, you can insert additional code into your page layout to modify the "{Title}" tag and change the color of the post title.

Step 1

Log in to your account and then select the gear icon from the menu in the top right.

Step 2

Choose your blog title from the list and then click the "Customize" button next to the Theme field.

Step 3

Click "Edit HTML" in the Customize pane and then press "Ctrl-F" to open Find.

Step 4

Type "{block:Title}" into the search bar and then press "Enter" until you locate code that resembles the following:

{block:Title}<h2>{Title}</h2>{/block:Title}

Step 5

Surround the "{Title}" variable with the "<span>" and "</span>" tags, like so:

<span>{Title}</span>

Step 6

Add in-line CSS to the <span> tag to define the color of the post title:

<span style="color:[hex]">{Title}</span>

Replace "[hex]" with the hexadecimal color code for your preferred color, such as "#FFFFFF" for white.

Step 7

Click "Update Preview" and then click "Save" to view and apply your changes.

Step 8

Click the back arrow and the "Exit" button to return to the Tumblr Dashboard.