Colours that directly across the colour wheel, like blue and orange. When you put these colours next to each other, they make a great contrast together. Complementary colours are often found in nature.
The measure of a device or computer system's ability to capture fine detail. A higher number of pixels can provide more details and finer images on the screen.
A well-known cognitive psychologist's principle that says that the time it takes to make a decision varies logarithmically according to the number of choices. As more options are presented, more decision time is required due to the mental work of comparing and contrasting each potential option.
The surface quality of an element.
A tool that allows user experience designers, or people who design products and websites with consumers in mind, to track where users look on the screen. Eye-tracking can measure users’ attention and the duration of time they spend on different areas of a website. With this information, websites can create user experience solutions such as buttons with varying colours designed to catch the eye.
A selector that can be applied to any HTML element. ID should be used when designing for a single instance, such as using the id="main" attribute on an <h1> tag.
A unit for defining the size of a font. It's not a distance; this unit's measurement is only relative to the typeface's design.
A way of researching users and understanding their behaviour in the context of the product, helping designers in understanding users' needs and expectations and what motivates them to act.
Designers can use this type of research to understand better their users and what kinds of experiences they are looking for. And this will allow the designers better empathize with their users, making them a part of the learning cycle.
A usability assessment method that is used to evaluate a design against established usability principles or heuristics. It is based on the idea that designers can use their experience to find areas of poor design without extensive user testing.
A unit of measurement that equals 1/6 of an inch, or 1/72 of a foot.
A type of understanding that is achieved by taking the perspective of another individual. Different people's perspectives often have different needs and values, so empathy can help you understand those differences.