In 2020 I planned to spend some of my free time in personal projects for learning new techniques and skills especially related to designing and building digital tools. …


From communicating visual hierarchy to expressing brand identity, colors play a key role in the design of products and design systems.

While some systems rely on the use of transparency for color shades, others prefer solid color palettes. …


Not so long ago, user interfaces for the web were built mostly using standard HTML and CSS. The rise of frameworks such as React, Vue.js, Angular, and Polymer made it possible to wrap and re-use UI components across parts of the same application or even different products.

Components found their…


A mockup of a mobile and desktop app.

🌐 Web App · 🤖 Play Store · 🍏 App Store

Bonsai can be literally translated as ‘tree planted in a tray’. It is an art form in which practitioners manipulate trees to make them resemble mature specimens but in a miniature form. …


👋🏾 Introduction

Design systems are interdisciplinary by nature. They are built and consumed by designers and developers, therefore it is important that common terminologies exist to support the communication between these two disciplines and other related actors.

Note: while some of the concepts are closer related to the context of web, most…


This story is the first on a series where I will use Kor UI to clone the front-end of existing websites or web apps to showcase some features of the Design System and how they can be used to achieve various goals in UI design and development.

🗺️ Overview

Dev.to is a…


🗺️ Overview

Theming apps serves mainly two purposes: enhance brand expression and improve user experience. In this guide, I will share some best practices on creating and applying custom themes using Kor UI to improve your app in both of these points.

Enhancing brand expression

For companies developing apps based on an open source design…

Eduardo Ferreira

UX designer and casual coder. 📍 Germany

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