Hi Marcos,
There is a built-in options to change Color, Typography and Background Pattern via Appearance > Theme Options.
To change the background color of the footer go to Appearance > Theme Options > Color Options > Background Color Options there you can see Footer Widget Section, Bottom Info Bar and Site Generator options to change the background color.
And for text color go to Appearance > Theme Options > Color Options > Font Color Options Options there you can see Footer Widget Section, Bottom Info Bar and Site Generator option to change the font color.
Thank you for using our theme.