Clarity defines the ability to see and distinguish all the core details on the screen or page. First of all, it deals with simplicity and intuitiveness of navigation: being able to scan the layout and find zones of information and elements of interaction, users don’t need to put much effort in getting what they need. If this aspect is not tested properly, it may lead to weak visual hierarchy and turn the screen into a complete mess. Contrast plays the big role here and color scheme becomes the foundation for it. To check, if the interface is clear and contrast enough, don’t forget about a good old trick of “blur effect” when you look at the screen or page in the blurred mode and check if everything vital is easily reached and noticeable.