Part of what makes the web so wonderful is the continuous space there is to explore. Pixel-pushers know as well as anyone that inventive tools, processes, and techniques help make things pleasantly colorful. Here are a few tools I’ve come across of recent to put in your quiver.
This site helps you figure out whether your colors are prime-time or up to par per accessibly standards. https://colorable.jxnblk.com/
This site helps you make unique SVG shapes to use in your projects. The builder has a color, complexity and contrast controls to allow for a range of fun. https://www.blobmaker.app/
Fancy Border Radius
This site gives you an easy way to visualize and to generate a unique border radius shape. https://9elements.github.io/fancy-border-radius/