To add up to six favorite colors that will be visible when editing the text color of your website pages, landing pages, or blog posts, navigate to Content > Content Settings, and select Colors and Fonts from the left-hand menu. Click on Color Picker Favorites.
To add a new favorite color, click into the box on the left. You can either enter a 6 digit color hex code, or pick a color from the pop-up color picker. Selecting a color visually will automatically populate the hex code.
After selecting one or multiple colors as your favorites, make sure to click Save changes.
You will see these favorite colors when changing the color of your text under the Custom color section.