You can customize the Podcast Landing Page by editing CSS or the main color of the page. 

You can enter the color code into the "Main Color" field to change the header color and the button color and the navigation bar background color of your Podcast landing page.

You can also enter the following code (replace the color code as you want) in your CSS  Stylesheet Editor to change the header text color.

.organization h1{ color: #047632;}
.organization .text{ color: #047632;}

Don’t forget to click the “Submit” button at the bottom corner to save all your changes.