Do you prefer Themed provably fair casinos or not. By themed I mean like Tower bet or bitkong style. What are some of the best themed platforms? Any new ones?
Not sure if I checked bitkong but I think I have visited tower bet once, long time ago. I know this website is in dark color but what you mean by themed casinos is that you can change the color of the whole page?
No, I don't believe he was referring to the color tone on the website.

Considering the examples the OP provided, it appears he is talking about a custom provably fair casino games that were developed in-house by the casino. Those games have certain advantages. For instance, they are unique and specific to that particular casino and often have custom designed features.