Colors are important for establishing emotional connections. Color is one of the most critical communication elements, and it takes a lot to get colors right. Rich Waldron, Tray.ioĭesigners should not overlook the importance of color. An ergonomic design needs to take into consideration how modern workers increasingly switch between different devices and screen sizes. Users are working on laptops more often than on dual monitors-or even on their phones-and are switching between touchscreens, trackpads and mice. Accessibility and usability across devices are essential.