These wordpress theme collection show amazing design in flatting style with difference colors to choose.
Nova – Flat & Clean Responsive Theme
ThemeTastic Flat Responsive WordPress Theme
Glider • Clean & Powerful Flat stylish theme
Swatch – Flat Responsive Multi-Purpose WP Theme
3Clicks | Responsive Multi-Purpose WordPress Theme
Inspired Responsive Business WordPress Theme
Flatco – Responsive Multi-Purpose One Page Theme
Business Essentials Premium WordPress Theme
Felius – Responsive Multipurpose WordPress Theme
Fade – Responsive, Parallax Bootstrap Theme
Alcatron – Multipurpose Responsive WP Theme
Krative | Responsive Multi-Purpose Business Theme
Designy: A design led Business WordPress theme
Action: A Multipurpose Business Theme
Centy – Retina Ready Responsive WordPress Theme