I think they are made by different people/organizations. Chinese colors is by TOTM Tech, which sells various (pretty obviously vibe coded) design tools and assets. OP doesn't sell anything so I don't think they are related.

> MMXXVI

That too. LLMs love to writing year in roman numeral. https://github.com/search?q=%22%C2%B7+MMXXVI%22&type=code There are 2.8k of these in github.

> the same color today

Looks liks Chinese colors always show that color in Hero section? It's coincidence I think.