To use these colors, click on the pen icon,Swipe over on the colors until you see the plus symbol,Click on that plus button, and it will take you to a page that looks like this:Click on the image that looks like a dropper ,And drag it over any of the colors that you want. When your cursor is over the colorthat you want it should look like this:Click on the check mark, and your color should be added to your palette for you to useas both a highlighter and a pen!