Color Accessibility
Accessibility of any digital product should make it suitable for elderly users, visually impaired, color blind, or others. The general idea is that a digital product should be easy to "see" for everyone. Contrast levels help people with vision problems
Text based tabs
Using text-based tabs is one of the most used patterns in modern interface design, the main difference is that a tab bar leads you to a whole new part of the product, while tabs display you sub information of the
Typography color and weight
One way to distinguish a Title from a Subtitle could be to make the Title text completely black with #000, vs. a Subtitle of the same size and weight, with the color of #687684.