If you need change accent color from pink to any other go to Theme option → General → General Styles
This is color for system elements like: Page loader, menu, links hover or links, system error page, basket, search and others elements.
and select your favorite color for accent, don’t forget save your changes
Also you need to know
Some elements of pages made with Visual Composer or Revolution Slider and are not connected with Accent Color option. You can change colors only by Visual Composer or Revolution Slider.
This is example of Visual Composer elements:
