How to add more colors to the color pallet Gabriel Jourdan July 28, 2017 09:07 Follow If you want to add more colors to the presets, please check out this help article. You can add more colors to your pen or highlighter color pallet, by using a Hex code. This website provides a great overview of popular Hex color codes. Related articles How to change the color and thickness presets How to add custom templates? How to edit PDF outlines or table of contents? How to change the default background color of a template? How should I backup my documents?