When The group block is selected, you are able to see the color settings while in the sidebar. You can pick out the text, background, and link shades for your liking. See this information for more information about shifting colours. From the block configurations sidebar, click on the Variations icon https://tamilauntywhatsappgroupsl83981.madmouseblog.com/14518719/number-girls-whatsapp-group-link-an-overview