You can change the theme’s logo by accessing the Theme Options and uploading your logo with the uploader under the “Header Options” section.
This theme have 2 different logo uploader because this theme has a feature that will change logo depend on the background. Logo Upload option is option for upload logo image that static even the background color changed. Logo SVG is option for content who have background image, like concept slitslider. The logo color will change depend to your background image color.