This is a simple ColorPicker for Vaadin 23.3+. The component has basic native color input part and additional field to input color value as text. It supports common CSS color definitions as input. You can also define a set of your own preset colors, which are populated in the dropdown. Check also the GitHub repository for the code, it has complete set of unit and integration tests. This component serves as a demonstrator for a robust add-on component creation. You can read more about tips in my blog post. https://vaadin.com/blog/custom-component-unit-and-integration-testing-tips