The theme has available the same colour sets as HTML theme.
- go to JM Theme plugin
- find menu Custom options
- select desired colour, save
- here you can change site header too. It has nothing with site title in preferences (title tag). It's just coloured title in theme header.
- here you can change copyright too. Theme has by default 2 types of footer. In both theme shortcode is used. If the year parameter is the same as the actual year, only the actual year is displayed. Next year from - to is added without any change.