Stout Google Calendar allows you to add and customize the colors and options of embedded Google Calendars directly within the WordPress admin.
"Add a New Calendar" view. No preview button available.
Google Calendar embed code added. Notice the "Preview Calendar" that appears after embed code is present.
Calendar Preview "floats" on top of settings
Calendar Preview moved to see full view of color picker
Preview of customized calendar in "Month" view
Preview of customized calendar in "Agenda" view
Widget for Stout Google Calendar