How to change default colours and fonts?

If you need change accent color from pink to any other go to Theme option → Customizer → Content

Select your favourite color and font. Don’t forget save your changes.

Also you need to know

Some elements of pages made with WPBakery Page Builder or Revolution Slider and are not connected with Accent Color option. You can change colors only by Visual Composer or Revolution Slider.

If you are newbie in Visual composer & Revolution Slider: