BusiProf Theme comes with 12 predefined colors and two layouts (Wide & Boxed). You can create own color theme using color picker. You can find this setting in Theme Appearance Customize. You have to not need any code customization. In this theme, we just want to offer visitors color variations. Now I will explain to you, how to change color schemes? Refer the screenshot.
1. How to Change Theme Color Scheme?
Go to => WP-Menu => Appearance => Customize => Theme Style Setting
Here you can see the Theme Color Schemes and Layout (Wide and Boxed). There are 12 colors for choosing and also you can make the theme with own color using custom color picker. Refer the screenshot.