What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
Once on the edit mode of your form, click on Form Style, then on Font Color:
Just to let you know, we have a new amazing feature call Form Designer, is a great tool to make awesome looking forms with a few clicks, you may visit this link to see some video tutorials on how to use it: http://www.jotform.com/blog/108-Video-Course-Form-Designer-Basics