Colour customisation is not saving

Hello, I've been trying to customise the colour on my lates form, unfortunately I have not been able to save the changes. Please advise. 

Hi, thank you for reaching out to us.

Can you please provide us further details about your concern? Like what color you would like to apply in your form.

We look forward to your response.

Hi Thank you for your replay. I have made a new form and it is working really well. Thanks!!

We are glad that everything works well for you now.

Should you have any further inquiries, we will be more than happy to help.