Why the color changes?

[LangInteger]

I remember the picture once was mainly with green color. Why does it change to yellow?

[shuuji3]

Hi, this color change is GitHub's Halloween easter egg feature since today is Halloween day. 🎃🙂

You can see their "Happy Halloween" message when you changing to 2D mode:

[LangInteger]

Haha``thx @shuuji3

[shuuji3]

Welcome! 😄