By default, table borders in PowerPoint take their color from the Theme applied to the presentation. However, you can change this color as required. Not only you can set the table border color for the new tables to be drawn, but also you can change the color of existing table borders.
To learn more, choose your version of PowerPoint. If we do not have a tutorial for your version of PowerPoint, explore the version closest to the one you use.
Microsoft Windows
Set Color for Table Borders in PowerPoint 2013
Apple Mac
Set Color for Table Borders in PowerPoint 2011
