Colorful Theme for Dating Website

I owns https://www.goactive.com.au and upgrading the WordPress version. Side by side I want to change the theme to make the website more interesting and colorful. It is a dating website and most of my competitors has a colorful website and they are getting a lot of user attention. I want to make my own website like my competitors. I searched a lot but did not find the suitable theme. Please suggest any theme which is closely related to the theme of my competitor website https://www.rsvp.com.au