For menu items - Select the text box on the menu design page. Then select the word STYLE in the upper left. On the left side panel, the list of options for fonts will appear. Next to each font option is a color box. Click on the color box, then the color options will appear on the left side panel.
For plain text boxes - Select the text box on the menu design page. Then select the color box directly above the menu design page. On the left side panel, the color options will appear.
Please click here to view a few second video showing how to change the color of menu items and regular text. Please note, the video has no sound and will not affect your computer.