Navigate to Confluence administration > Linchpin Theme > Configuration > Content. Here you can change the colors used for the page headline and the heading elements H1 - H6. You can use the built-in color picker or enter a hex value. Information panel color Warning panel color Changes the border color of the "Warning" macro. Tip panel color Changes the border color of the "Tip" macro. Note panel color Changes the border color of the "Note" macro. Changes the color of the icons which appear inside the "Info", "Warning", "Tip" and "Note" macros.In this section you can define the colors for default content elements like headlines and info boxes.
Where to find the content colors configuration
Colors used for headlines
Confluence panel colors
Icon color
Make sure that your theme is active
Link to this page: https://seibert.biz/themecolors