For version 11 and greater versions, navigate to COMMENT menu tab, select Highlight tool, highlight any text strings on the page, and do one of the following:
· Single click on the highlighted text, click on FORMAT panel on the left panel bar, click on the color picker or Line Color to select a color.
For version prior v11, single click on the highlighted text, Comment Format tab will appear on the menu, click on the color picker or Line Color to select a color.
· Right click on the highlighted text, select Properties, and pick a color in the Appearance tab.
To set the new selected color as new default, please click on the highligted texts which has been highlighted with new color, then right-click it and choose "properties" option in the pop-up context menu to open "Properties" then check "Set Current Properties as Default" in the Properties dialog.
Or you also right click on the highligted texts which has been highlighted with new color, choose "Set current properteis as default" option in the pop-up context menu to set the color as default.
Note: If you'd like to delete the color of the Highlight, you may go to Home >Select >Select Annotation, then single click on the highlight to select it, press Delete on the keyboard to remove the highlight.