Functionality is reasonably claimed to be the foundation of good UX. But are we all only about functions? Users are people, with not only logic to solve problems but also emotions ruling their decisions. The trick supporting both is illustrations applied in web and mobile interfaces. Let’s check how they enhance UI design.

What is illustration?

Illustration visualizes a piece of a story. It presents a visual interpretation of a process, action, environment, and the like. What makes it different from pure art is the aim of communication: illustrations are informative and transfer a message. They are usually created for a purpose and integrated into the variety of published media both printed and interactive. Illustrations also successfully serve as decoration adding style to the environment or media it is applied to.

Benefits of illustrations for user experience

In the age of fast and massive information consumption, the role of visuals is growing. According to the explorations by S.Thorpe, D.Fize, and C. Marlot on the speed of processing in the human visual system, it takes people on average 150 ms for a picture to be processed and 100 ms more to understand its meaning. Pictures are easier to remember and recall, their message is clear to people of different languages and regardless of their ability to read. That is why infographics, icons, illustrations, and other assets by graphic designers are used so widely.

Briefly, there are five big benefits of using custom illustrations in UI:

  • They are perceived faster than text so users may cover the key message quickly
  • They support a visual hierarchy of a page or screen
  • They strengthen the aesthetic and emotional appeal of the interface
  • They activate the psychology of color, shapes, and visual metaphors
  • They are eye-catchy and draw users’ attention to the necessary details

Applied to websites and mobile applications, first of all, illustration is another functional element and only after that a decoration. To uncover all the benefits mentioned above, it’s vital to analyze the target audience and find the ideas and metaphors which will help the users to navigate and achieve their goals. Another thing is that UI illustrations should be concise and used in moderation: the too high intensity of graphics increases the risk of overloading the interface.

UI Design: How to Amplify User Interface with Illustrations | picture

Credits: Fireart

Types of UI illustrations

In the modern interfaces, we may find all the variety of styles and directions expressed in illustrations, from vector images and icons to elaborate digital artworks. Being a functional layout element, they may satisfy diverse needs and functions.

Onboarding

Onboarding is the concept that came to UX design from the sphere of employment and HR. It deals with some steps and techniques helping newcomers to understand how the interface works. Also, it is applied when new features and updates are introduced or users interact with a non-typical functionality.

Lots of digital products including big players like Dropbox and Slack effectively apply illustrations for this aim. Onboarding supported with meaningful artwork allows for a quick explanation of the features and makes the UI lively.

interface illustration slack

Credits: Slack

UI Design: How to Amplify User Interface with Illustrations | picture

Credits: Anastasiia Andriichuk

UI Design: How to Amplify User Interface with Illustrations | picture

Credits: Dmitry Mokhar

Theme

One more type of illustration is the one that immediately sets the general theme and mood of the website or app. They present strong visual metaphors and associations to establish an emotional appeal from the first seconds of interaction. It saves user’s time and effort supporting a positive user experience and creating the necessary atmosphere.

UI Design: How to Amplify User Interface with Illustrations | picture

Credits: Leo Natsume

UI Design: How to Amplify User Interface with Illustrations | picture

Credits: Tubik

UI Design: How to Amplify User Interface with Illustrations | picture

Sea theme by Icons8

Tutorials

Tutorials and tooltips illustrations present the visual prompts. This type activates the explanatory potential and its main aim is to clarify or encourage specific actions. Images of this type make UI much friendlier for people who don’t like or can’t read the copy. It works especially well in mobile interfaces concerning limited screen space. On the other hand, it means that even the slightest details of the picture should be thought-out not to provoke misunderstanding. Obviously, tutorial illustrations are a good idea for apps targeted at teens and children.

UI Design: How to Amplify User Interface with Illustrations | picture

Credits: Cuberto

UI Design: How to Amplify User Interface with Illustrations | picture

Adobe tutorial illustration by Timo Kuilder

Rewards

Rewards form another popular type of interface illustrations. Badges, stickers, medals, stars, cups and all the other stuff of this kind adds gamification to user experience and marks a user’s progress. What could be sweeter than feeling you are a winner?

UI Design: How to Amplify User Interface with Illustrations | picture

Credits: Josh Warren

UI Design: How to Amplify User Interface with Illustrations | picture

Alarm stickers by  Tubik

Mascots

Mascots are personified characters that easily add personification to the interface. They become a kind of communicators between the interface and the user. Mascots contribute much to the voice and tone of the website or app and can even become a metaphorical face of a product. The symbolic nature of these images makes them memorable: they breathe in life into the interactions.

UI Design: How to Amplify User Interface with Illustrations | picture

Trello Mascot by Alexey Kuvaldin

Entertainment

Sometimes, UI illustrations have the primary goal to entertain users. You may say it has nothing to do with functionality – and that may be right. But it deals directly with emotions and aesthetic satisfaction. Who said that beauty, style, or just fun could not be a reliable factor in retaining users?

UI Design: How to Amplify User Interface with Illustrations | picture

Credits: Ramotion

Bottom line

In his book Designing for Emotion, Aarron Walter says “We’ve been designing usable interfaces, which is like a chef cooking edible food. Certainly, we all want to eat edible foods with nutritional value, but we also crave flavor. Why do we settle for usable when we can make interfaces both usable and pleasurable?” Illustrations have a strong power of adding beauty, emotion, and even storytelling to everything they touch. And that makes them worth considering as a powerful way to amplify user interfaces.

Did you come across any UI illustrations which couldn’t be overpassed?

About the author: Marina Yalanska, design researcher, managing editor for Icons8 Blog.

Title image credits: Fireart

Check Ouch, the collection of free vector illustrations for UX

To learn more about visuals in UX design, check articles on illustrationicons, and photos for user interfaces and review the list of popular UI design trends




Try tools for creators by the Icons8 team:

Icons8

Icons8, a library of about 130K+ icons and clip art images

Offline app icons8

Offline app and plugins to drag’n’drop icons and clip art to any design tools

Moose

Moose, the big collection of high-quality stock photos

illustrations

Ouch! , a library of vector illustrations and collages

Background Remover

Background Remover, AI-based online tool for removing background from any photo

Mega Creator

Mega Creator, online tool for creating visual content from pre-made elements

Fugue

Fugue, royalty free music for videos of any kind

Lunacy

Lunacy, free graphic design software with built-in design resources

Smart Upscaler

Smart Upscaler, image upscaler to enlarge and enhance images using AI

Generated Photos

Generated Photos, unique, worry-free model photos generated by AI

Also, get the lists of free vector software and free photo editing software.
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