First, review the plugin's source code (jquery.minicolors.js) to understand how color swatches are rendered and how the color picker state is managed. Look for any existing local storage or state management that could be extended to store recent colors. Then, examine the CSS files to see how new UI elements (a recent colors tray) could be styled and integrated. The issue lacks specifics, so the first step is to propose a design or ask clarifying questions about the expected behavior, such as how many recent colors to store and where to display them.