I asked myself about my current tasks, so I put this list together. I will update it from time to time. Anyway, I would love to hear some feedback.

Table with a laptop and pen & paper to write a list
Table with a laptop and pen & paper to write a list
Green Joe’s Coffee Company, Greensboro, United States

Define

☐ Discuss UX-Requirements
What is the goal of the initiative, the new service, product, or feature?
(Involved roles: Stakeholders, Product Owner, Developers, Conversion Analysts, UI Designer)

☐ Ensure that you (and your teammates working on this matter) will be invited to all critical and relevant meetings.

Stakeholder Mapping
Which stakeholders are part of the initiative?
How often should you invite stakeholders for discussions and meetings?

Analysis and Research

Aggregating existing data like…


WCAG Color Contrast

As a designer, you should use high contrast colors. It will help users of websites and apps to perceive the content, regardless of visual impairments, technical restrictions, and external influences. WCAG is a standard that should help designers defining a distinct contrast ratio.

Three levels can be reached:

“A” for large text and UI elements, which require a contrast ratio of 3: 1.

“AA” is required for regular text. It requires a contrast ratio of 4.5: 1.

“AAA” requires a contrast ratio of 7: 1.

WCAG contrast ratio of white on HSB colors. Brightness from 100% to 30%; All colors with 100% saturation
WCAG contrast ratio of white on HSB colors. Brightness from 100% to 30%; All colors with 100% saturation
WCAG contrast ratio of white on HSB colors. Brightness from 100% to 30%; All colors with 100% saturation

Hue, Saturation, and Brightness

We are searching for colors that can suit our products requirements.
For that reason, we…


Designers are looking for recognizable, distinguishable, and in the form of text legible colors for all of our users. The aim is for all users to perceive a page’s content, regardless of visual impairments, technical restrictions, and external influences. To achieve this goal, we want to look for a role model, a website that already uses accessible colors. A good starting point is to reach the WCAG requirements.

Start with the contrast ratio.

WCAG can be measured easily. For example, if you use Google Chrome, you can use the “View Page Source” tool to select every single element of a website and check the contrast…


Soft UI, which reminds us of skeuomorphic design, is a trend we observed recently in 2020. We tried it out ourselves and found out it’s fun to use, but you have to be careful with it. We want to approach this trend by applying the current trend to our app.

left: REWE App | mid: Soft UI | right: Skeuomorphic Design (both by Heiner Henrichs)

Lukas Kühne

User Experience Designer at REWE digital — https://www.linkedin.com/in/lukasckuehne/

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store