stoutdesign

The Stout Google Calendar plugin allows you to easily add and customize embedded Google Calendars to your WordPress site. You can even change color settings that are not normally modifiable, allowing you to seamlessly integrate Google Calendars into the look of your site. No more ugly Google Calendars!
Features include:
<ul>
<li>Customize the color scheme of embedded Google Calendars</li>
<li>Options from the Google Embeddable Calendar Helper can be modified directly within the WordPress Admin</li>
<li>Save multiple calendars, each with it’s own color scheme, size and display settings</li>
<li>Display calendars in a Widget, Pages or Posts via shortcode or in templates</li>
<li>Live preview of all changes to a calendar as you make each change</li>
<li>Easy color picker or directly input hexadecimal color values</li>
</ul>

Stout Google Calendar

Stout Google Calendar allows you to add and customize the colors and options of embedded Google Calendars directly within the WordPress admin.

Kyle Foulks

This plugin allows easy manipulation of WordPress admin menu colors and appearance. Users can color code menu items in the admin menu for ease of access. 
You can also hide any menu from view.

Easily Change Admin Color

Allows easy manipulation of Wordpress admin menu colors and more.

Stout Google Calendar vs Easily Change Admin Color