The post-it note gadget that comes with Xiaomi mobile phone does not support font color adjustment, but you can download cloud post-it notes on Xiaomi mobile phone, and post-it notes support font color change. Please refer to the specific steps:

Open the special note APP on the mobile phone and select the note that needs to change the font color;

After determining the target comment, click the comment text to enter the detailed page;

At the bottom of the text input box, there are several font boxes with different colors. You can click the corresponding color, and then click OK to save the settings.