People are planning out the teams. Every team is getting its own day to craft badges and what not so today was green teams turn. Then tomorrow will be another teams turn and so on.
small edit from the steam subreddit:
[OPERATION: Everyone Work as a Team]-Give every team 2 days winning
19th - PURPLE - Thursday
20th - RED - Friday
21st - GREEN - Saturday
22nd - PINK - Sunday
23rd - BLUE - Monday
24th - PURPLE - Tuesday
25th - RED - Wednesday
26th - GREEN - Thursday
27th - PINK - Friday
28th - BLUE - Saturday
So by the end of this round pink should be winning im assuming